Hp proliant fan failure

Hp proliant fan failure

" Figure 1: Example of a System Insight Display (SID) from an HPE ProLiant DL360p Gen8 Server. I have checked and can hear all fans running at full speed. I have logged in to iLO and verified that Fans 4 and 8 are marked “Degraded” and are the cause of failed boots in the system log. O ventilador 3 pode estar com defeito. Feb 19, 2013 · HPE GreenLake Administration. Learn more at the Official Hewlett Packard Enterprise Website. Diagnostic tools. Begin with logical troubleshooting, swapping a known good fan to fan position 3 (located in center of server). If all goes well, Windows should repair the drive Jan 11, 2016 · 1794-Drive Array - Array Accelerator Battery Charge Low. HP Systems Insight Display FAN X (X= 1, 2 or 3) solid amber. After a restart the server will know longer boot. Restart the system. CPUs are virtually bored. The server then immediately reported all fans failed so I tried replacing the other two and then re-installing the old ones to no avail. This server refuse to boot saying that there is not enought redundant fan solution. On the LED screen (see attachment), the first power supply light and the first PPM Battery light are both illuminated. Nov 28, 2005 · proliant ML370 fan failure On startup, the ML370 auto restarts with a red light on the front panel indicating an internal failure. The fans are running at a higher speed than expected. Apr 26, 2022 · The server reported 2 fans failed so I bought a whole new set and replaced the two that were failed. Gen10 servers. Thank you for being a HPE community member. 1611-Fan2 Failure. This document describes common procedures and solutions for the many levels of. If the fans have been replaced and are running, the heat sensor may be faulty, or the heatsink is not properly attached to the CPU. Causa. " Yet the fans still spikes to 80%. If you want to just disable 2 of the 6 FANs, then : Nov 14, 2011 · The DL180 G6 is nearly silent with the riser removed, with the fans dropping to around 2-3000 rpm. QuickSpecs HP ProLiant ML150 Generation 2 (G2) Overview Jul 2, 2017 · FR -- EN :FR:Salut tout le monde, petite vidéo qui vous montre ce qu’il se passe quand il y a un problème avec un ventilateur sur un HP ProLiant ml330 de 6em Sep 13, 2016 · Fan Noise HP ML350P. If this occurs, the following messages will be displayed in the Integrated Management Log: Jan 31, 2019 · Hey, So I bought a HP Proliant DL360 G6 1U but the problem is when I power it on it stays on for about a minute and then turns off. Then. - there is no amber light on. Jun 28, 2019 · I have run into this same issue on older HP MediaCenter PCs -- and in all cases, the following was true: 1) Fan was working anyway. This issue has been reported to HP by numerious people but we have all recieved a stock response. 2nd (green)& 3rd (off) is for NIC > means you connected lan in 1st NIC card 2nd one is disconnected or disabled. 05 (or earlier), if a fan with a failed rotor is inserted into a fan slot, the System Insight Display (SID) LED for that fan does not indicate the failure. 08-19-2022 06:30 AM. The following occurs when server fans fail: Mar 27, 2017 · SOLUTION: Power off the server. HPE Resources. Já tentei a solução a baixo, mas sem sucesso: Sep 3, 2020 · I have a used HP ProLiant DL360p Gen8 that I use as a home server. An air baffle or blank is missing or not installed properly and causing a disruption of the airflow. Operating System: Microsoft Windows 10 (64-bit) Hello! I own a HP ProLiant DL160 G6 Server. Then the mainboard will be able to detected the RPM from the CPU FAN which you using now. I have set the bios option to Optimal Cooling and most of the times, the server is quite without any problem and rarely do the fans rev up! May 2, 2012 · If the required fan is actually spinning, then the motherboard either isn't or can't detect that the fan is there. a. 0 Installing the updated proliant support pack, including the updated HP HPE GreenLake; HPE Complete Care Service; HPE Tech Care Service; HPE Proactive Care Service; HPE Foundation Care Service; Services at a Glance Locate the System Maintenance Switch on the motherboard - It's a set of 10 DIP switches. The SNMP HPE ProLiant System Health sensor monitors the system health of an HPE ProLiant server via the Simple Network Management Protocol (SNMP). ADMIN MOD. Return DIP switch #6 to off (original) position. Temperature violation detected - system Shutting Down in X seconds. press f9 at start up → Advanced Options → Thermal Configuration → Choose “increased cooling”. 4) Went into BIOS, found the setting to monitor the fan, disabled it -- message disappeared. Mar 17, 2018 · If you think you have received a fake HP Support message, please report it to us by clicking on "Flag Post". Power the server off. So far, I've managed to test with two fans and can confirm I get no errors at all while Aug 25, 2010 · 1611 fan failure code after replacing fan - posted in Internal Hardware: I am trying to recover a Proliant 800 server that suffered a CPU cooling fan failure. Illustrated parts catalog. Optimal Cooling —Provides the most efficient solution by configuring fan speeds to the minimum required to provide adequate cooling. #HPE #Proliant #Server # Feb 22, 2004 · Re: ProLiant DL360 Power Supply 1 Fan Failure? Its a common problem with DL360's and it means that the power suply needs to be replaced. 1611 -Fan Block X Failure, Fan Solution Not Any ProLiant DL365 or ProLiant DL360 G5 server in Feb 28, 2018 · A sugestão automática ajuda você a rapidamente restringir resultados de pesquisa sugerindo possíveis coincidências enquanto digita. The amber LED is a further indication that the fan isn't being detected. DL380e Gen8, 2x E5-2420, 32 GB, 6 fans, P420 controller, 2x750W PSU. 50. Jun 27, 2021 · 1. Jul 7, 2022 · I admitted defeat, and replaced the older CPU’s in the server, to begin the process of properly upgrading the CPU’s, the way HP wants… On restarting the Server, it posted with RAM an CPU, then proceeded with: 1611 -Fan 1 Missing 1611 -Fan 2 Missing 1611 -Fan 3 Missing 1611 -Fan 4 Missing Fan Solution Not Sufficient The redundant hot-plug fan protects the various server components from overheating, provides rapid serviceability, and minimizes the risk of system interruption. Symptom. Sep 23, 2017 · Product: HP ProLiant DL160 G6. This document describes common procedures and solutions for the many levels of troubleshooting HPE ProLiant Gen9 servers. Dec 6, 2021 · Servidor HP ProLiant DL320e Gen8 v2. Component identification. With a card installed the ILO update causes them to run nearer 5-12k and sound like a hurricane. agradecere su ayuda para poder resolver el error siguiente en un servidor Proliant DL180 G6: POST Error 620 - Non-Redundant Fan Failure - 273965 1611-Redundant Fan Failure (Fan Zone System) Audible Beeps: None Possible Cause: A redundant fan is not spinning. HPE ProLiant ML30 Gen9 Server Maintenance and Service Guide. Mesmo invertendo as posições entre os Fans 1 e 2 a mensagem persiste que o Fan 2 esta com falha. The RAID rebuild should take place automatically. If a hot spot is located, then check the airflow path for blockage by cables and other material. Subscribed. DL360p Gen8 servers tend to lose these fans as they age. Maybe a short peak here and there. I checked that all fans are working. Compré el nuevo ventilador y lo reemplacé. Fan Solucion Not Sufficient . From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Advanced Options > Fan and Thermal Options > Thermal Configuration. Out of 4, 2 fans are running. 3) PCs did NOT overheat. side note some dell case fans also were equipped with Jul 22, 2015 · I have HP ProLiant DL380 G6 server. Jul 1, 2014 · you need to find out the RPM1+2, connect them to your 4pin CPU FAN's RPM pin. The OP, opened and cleaned the inside even though it didn’t look too dirty. Bypass HP ProLiant DL320e Gen8 system FAN failure use a wire and Sep 4, 2020 · The fans (654752-001) are ~$10 each. " Go to the thermal configuration page in the advanced power options, make sure the server is set to “Optimal Cooling”. Fan 1 has failed and raid controller battery has failed and that’s it. LOG: Fan Failure (Fan 8, Location System) 0004 Information 01:22 09/23/2012 01:22 09/23/2012 0001 Dec 6, 2021 · HP ProLiant ML350p Generation 8 (Gen8) 2. you could probably still get them form hp. Run systemctl daemon-reload and systemctl start autofan to activate the service. Download. HPE GreenLake; HPE Complete Care Service; HPE Tech Care Service; HPE Proactive Care Service; HPE Foundation Care Service; Services at a Glance The Integrated Management Log (IML)will report "Fan Failure (Fan#, Location System). CPU fans provide cooling for the processors, while I/O fans cool other system components. If I remember correctly there were 2 types of sensors! a thermal sensor, (looks like a small ceramic disc cap colored green) or hall effect sensor. Jun 19, 2015 · RE: HP Proliant Dl160 G6 extra noise appeared. I currently put the Z440 into a complete passive cooling solution for audio studio kind of work which requires no fan noise. Company. Press F10. el ‎10-04-2023 10:29 PM. Then, run a CHKDSK /R on the affected RAID volume to allow Windows to replace the bad blocks. Without VMs, the rev-ups are more On an HP ProLiant DL360p Gen8 server with Integrated Lights-Out 4 (iLO 4) Firmware Version 1. Producto: HP PROLIANT ML110. This line – fanspeed1 = constrain(map((int)temp1,20,60,15,100),15,100); which maps a temperature (converted to a float) between 20°C and 60°C to a fan speed of between 15% and 100% which is then constrained to this range so a temperature of 10°C doesn’t cause the fan to be given a 0% demand. O cabo de extensão que conecta o ventilador 3 à placa de sistema pode estar com defeito ou pode estar conectado ao contrário. We have a ProLiant DL385 G6 running windows server 2008. If a known good fan reports the same issue, inspect the extension cable for any damage, and ensure that it is properly installed. The majority of systems causing issues are running an operating system that cannot accommodate the HP Insight Management agents or drivers (NexentaStor Sep 20, 2021 · When 1 of the 8 redundant fans fail on an HPE Proliant Server, the rest will speed up to mach 10 speed to make up for the failed fan. Feb 5, 2021 · I Have a Problem With my Hp ML350 G6 which is 1611 - Fan 1 and 2 Failure But there something wrong on my server when connect the cable power led power indicator on front panel -Amber after about 2 second - led powe… Aug 26, 2020 · My experience is the opposite of many others. F10 to confirm…exit. Removal and replacement procedures. I'm having fan speeds and noise level issues from my most recent batch of HP ProLiant DL380 G7 servers. Increased Protected by HP Services and a worldwide network of resellers and service providers. I have a HP DL380p G8 with all supported HP hardware installed, this includes 2 300gb SAS HDDs, 1 1. Pre-Failure Notification on processors, memory, and SCSI hard drives. Customer Resources. The system temperature sensor is reading within approximately 10°C of the Caution threshold. This document is intended for the person who installs, administers, and troubleshoots servers or server blades. - Waiting 5 Minutes for System to Cool. Apr 7, 2019 · Bypass HP ProLiant DL320e Gen8 system FAN failure. Product: HP Proliant ML110 G5. Select a setting and press Enter. Download pdf. HPE ProLiant MicroServer Generation 8 (Gen8) If the above information is helpful, then please click on "Thumbs Up/Kudo" icon. Fans at 19%, tested with various combinations of old non-HP SATA drives, it doesn’t matter if I insert 1 or 6 drives (without caddy). A conexão do ventilador 3 na placa do sistema pode ter falhado. Optimal Cooling. Any more and you get 100% on fans and fairly high on PSU. I have replaced the power supplies, ram, and cmos battery but still got the same issue. Customer self repair. Some after-market part won't provide the right data to the motherboard. I have installed Windows server 2019 on it. Quite a while ago i replaced the 12 very noisy internal fans with 5 92mm and 2 120mm fans. 14. mark-hpe (Mark (HPE)) February 5, 2021, 3:24pm 7. Share. Certain restrictions and exclusions apply. Specifications. Oct 24, 2018 · just swapping a fan wont help as the prolient systems case fans had a sensor incorporated in them. Product Bulletin, research Hewlett Packard Enterprise servers, storage, networking, enterprise solutions and software. A fan failure or missing fan causes a loss of redundancy. Battery / Capacitor Failure (1) - Should be replaced. When the server is powered off and is still plugged in, fan #6 only runs at almost full speed. . Hewlett Packard Enterprise. Everything looks fine till end of post BIOS phase when on a screen you can see PC parameters like CPU model, Bios version etc. S: Welcome to HP Community 😉 . Apr 12, 2023 · fan failed/missing. We replaced the drive approximately one hour after failure but now server keeps fans on Feb 5, 2021 · Thank you for the reply. So, Slots are faulty. Resolving DL380 G8 fan noise mod - finally! Solved. Dec 10, 2012 · Hola Todos. During POST the server reports a 'Logical Drive Failure'. Excessive fan noise (low speeds) Hot-plug fan issues. I want to get more into server hardware so I thought this could be a good project to learn with, however I'm really stumped with an issue. Jan 19, 2014 · 13. Valid fan configurations are listed in the following table. The processor heatsink is not installed as indicated in the server documentation. HPE ProLiant Gen9 Troubleshooting Guide. Jan 3, 2020 · Select a setting and press Enter. Feb 28, 2018 · Estou com um servidor ProLiant DL320e Gen8 v2 que apresenta a seguinte mensagem. Mar 18, 2021 · If you want to connect a not OEM fan to a 5 pin hp connector you need to connect the leftover pin to ground and it should work fine. Manage Devices. Remove all power supplies. fans noises decreased but not to the normal state. Failed drive was a hot spare for a RAID-5 4 disk array (ironic isn’'t it). I inserted Certain HP ProLiant DL-series Gen8 servers may experience sudden fan failure when the Thermal Configuration in the ROM-Based Setup Utility (RBSU) is set to "Increased Cooling" or "Maximum Cooling. This server supports up to two CPU hot-plug fans, one rear baffle fan, and two I/O hot-plug fans. I tricked the fan speed controll (the pc fans turn a lot slower than the 40mm fans) by unplugging the PWN signal of one of the fans We would like to show you a description here but the site won’t allow us. The only special lines are the "Status"-Line and the 5th Pin. HP iLO does not report fan speeds (among other things) when the server is off. Re-connect the cables on the main board. Fan 2: 31% Fan 3: 50%. A second fan has just failed (I was not aware of the first failure, poor monitoring on my part), and the system immediately shut down and refuses to boot into an OS. 71. Manage Account. Product Support Software & Drivers Warranty Check Enhanced Support Services Education and Training Product Return and Recycling OEM Solutions. El sistema operativo apagó el computador. If your CPU FAN can turns as fast as the org. When trying to boot a message is displayed saying "BIOS detected CPU fan failed. For normal operation, Status (Pin 2 Aug 13, 2020 · Confirm the system fan blades spin correctly, and the fan is not producing loud noises. 1611 Fan X failure detected (where "x" is the fan location). HPE GreenLake; HPE Complete Care Service; HPE Tech Care Service; HPE Proactive Care Service; HPE Foundation Care Service; Services at a Glance Oct 2, 2020 · Hello, since months now, we have fan issues on our HPE DL380 Gen10. Select a setting. On the inside, 3 fans have amber failure lights, but after swapping the fans around, the amber lights change to different fans. 03-03-2004 03:49 PM. 18K views 5 years ago. 257 subscribers. Just flashing green beside bios with small heat sinks I think my backplane working normal - because i can turn on my server . I have an HP PROLIANT ML350P GEN 8, when starting, it appears FAN 3 FAILURE "FAN SOLUTION NOT SUFFICIENT" and it turns off. Locate the fan board connectors as shown below. 3. Procedure. Saludos. It is showing following errors. Also in this thread was the mention to check the thermal config in the BIOS. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Advanced Options > Fan and Thermal Options > Thermal Shutdown and press Enter. It posts as well there is some errors. General fan issues; Fans running at a higher than expected speed; Excessive fan noise Aug 10, 2006 · Hi, I've a ML370 with a fan Problem. I did this for the CPU fan and tried the same for the case fan but later on, I disconnected that last pin connecting to ground since when looking at pictures, the case fan looks like it is stock, and the last pin May 30, 2017 · Proprietary 5 pin Fan connector. This document is intended for the person who installs, administers, and. 1611 Fan X is not present (where "x" is the fan location). P. Aug 10, 2010 · Hi, I have client with a 4-5 year old HP Proliant ML150 G2 server. It would behoove you to replace the failed units. Power on the server and allow it to idle for 3 minutes. Then i pusehd again the power button to start the machine but the fan started spinning at theri max, it sounded like the server was going Nov 13, 2017 · 11-13-2017 08:59 AM. Let me know how that pans out, HPE ProLiant ML110 Gen9 Server Maintenance and Service Guide. Cabling. Adel Mohammed. Volume I: Troubleshooting. Most of the systems are nearly silent with low fan speeds (as reported by hplog -f ). Hence, the pinout for the fan becomes ground/ +12VDC/ RPM sense/ PWM control/ ground, via a 5-hole plug rather than the usual 4 for PWM fans. HP Proliant Servers DL/ML370 G6 - Fan Failures from Windows EVT and HP IML Issue There are some reports for random fan failure alerts under windows EVT and HP IML (Integrated Management Log) for HP Proliant Servers ML/DL370 G6 running Windows 2008 or 2003 with or without HP Agents installed as showed below: Troubleshooting Guide for HPE ProLiant. must check this first. troubleshooting servers. Level 1. Uses non-standard 5-Pin-Fan-Connector, possibly to lock out cheap 3rd party fans. Action: Replace the failed fan. 1612-Primary Power Supply Failure Audible Beeps: 2 short Possible Cause: Primary power supply has failed. I'm having some trouble with the server fans being very noisy. Se deixo sem Fan, a mensagem que aparece é Missing . This morning we noticed it was not working so i forced shut down by pressing on the power button. " Two simultaneous fan failures will cause the system to shut down. I will first explain, what the problem is: The fans in the server irregularly spin up up to 100%, while the server is doing basically nothing. —Provides the most efficient solution by configuring fan speeds to the minimum required to provide adequate cooling. I have a similar server that is out Feb 16, 2019 · 2. Only thing running is the 2019 server core, without a single VM started. For a single-processor configuration, excluding 24-SFF and 12-LFF configurations, four fans and two blanks are required in specific fan bays for redundancy. 15. I have a NVME installed on PCIE port 2 and running 1 western digital HDD and 1 original HP hdd. Download DSM update, create a task with the below code, execute the task and finally apply the update. I've 6 hot-swapable fan in it, and only three of them are spinning. HP ProLiant DL320e Gen8 Server Maintenance and Service Guide. @mark-hpe @rod-it @deniskelley @tjollimore I already replace the fan - but still not spinning ( 1611- fan 2 and 1 is failure ) Replace battery bios - nothing change About LEDS on my system board. 2TB SAS HDD, and a HP SFP+ add-in card for networking. There are 6 connectors to control 6 fans. 2) PC fan ran fast initially, then slowed down, but continued to run. When flashing the fans spin up to 100%, so be prepared) Once the flash has completed, shut down your system and unplug it. O cabo de E / S frontal pode ter falhado. Click the Temperatures tab and verify the temperature readings for each location on the Temperatures tab. High Temperature Condition detected by Processor X. We gave up on using them because we had so many failures, but since then HP have supplied them with dual supplies to overcome the bad PR. You may want to change these constraints to The following type of false fan messages may be displayed: 0002 Critical 01:22 09/23/2012 01:22 09/23/2012 0001. system prepare to shutdown. Currently they are running at: Fan 1: 31%. Data failure or disk errors on a server with a 10 SFF drive backplane or a 12 LFF drive backplane; HPE Smart Array S100i SR Gen10 drives are not found when RAID mode is disabled; HPE Smart Array S100i SR Gen10 drives are not recognized; Fan and thermal issues. Turn switch #6 switch on. Hello, I have got a problem with my second hand server board HP Proliant ML110 G5. press f9 at start up → Advanced Options → Thermal Configuration → Choose “Optimal cooling”. Insert all power supply units. 0003 Repaired 01:22 09/23/2012 01:22 09/23/2012 0001. After viewing a Feb 5, 2021 · If the server shuts down after 3-5 seconds, it is probably detecting an overheat condition. Is it my system The Integrated Management Log (IML)will report "Fan Failure (Fan#, Location System). Make sure to switch iLO back out of maintenance mode. I switched off the RAID controller as I have no need for RAID and currently May 4, 2010 · first. HPE Support Center The Fan Speed Status displayed on the HP System Management Homepage (SMH) may not reflect the actual speed of the fans if the fans have been replaced or reset after a fan failure and the status is being viewed using the HP ProLiant Advanced System Management Controller Driver installed with SmartStart Version 7. Sistema Operativo: Microsoft Windows Server 2012 and older. Other stra We would like to show you a description here but the site won’t allow us. 1610-Temperature Violation Detected. 0. Hello everyone! I have an HPE Proliant G8 server which I use it for home labbing and also my desktop. FAN, then that is all fine. 0 and had a drive failure on friday evening. If not working correctly, replace the system fan. LOG: Automatic Operating System Shutdown Initiated Due to Fan Failure. Troubleshooting. This solved their problem. Se me dañó el ventilador del procesador. " The HP Integrated Lights-Out (iLO) Fan Status will report "Degraded. A second fan failure or missing fan causes an orderly shutdown of the Click the Fans tab and verify the fan status and fan speed. This is the Case Fan Pinout for the Proliant ML310 Generation 1, may be compatible to other Proliant Servers and ML310 Generations. , and the last information is: "Fan failed/missing. If the fan failure message is displayed again on the same fan slot, shut the server down again. Tags: Microsoft Windows Server 2012 and older. Oct 13, 2009 · ygal79825816 (Ygal7982) October 13, 2009, 7:44am 1. Cause. Configure your XPenology machine. HPE BladeSystem c-Class enclosure fans are operating at a high speed. A short while ago I bought a HP Proliant DL180 G6 for cheap in a 'no guarantees' sort of deal. Help. Power on the virtual machine, connect using “Synology Assistant” and install the system with the standard PAT file from Trantor. CPUs are idling. I'd say check you parts. Feb 5, 2021 · I Have a Problem With my Hp ML350 G6 which is 1611 - Fan 1 and 2 Failure But there something wrong on my server when connect the cable power led power indicator on front panel -Amber after about 2 second - led powe… UEFI System Utilities and Shell Command Mobile Help for HPE ProLiant Gen9 Servers and HPE Synergy Aug 19, 2022 · TheAnalyst. Except this is a two socket, 12 DIMM-slot server with 6 PCIe-slots, but the silent mode only works if you use a maximum of 1 CPU with 80W or less, a maximum of 3 sticks of RAM, and 1 PCIe device (including the HBA). Support. We would like to show you a description here but the site won’t allow us. Apr 10, 2011 · Campus and Branch Networking; Data Center Networking; Small and Midsize Business Networking We would like to show you a description here but the site won’t allow us. Options. General fan issues; Fans running at a higher than expected speed; Excessive fan noise Fan Solution Not Fully Redundant. With big thanks to u/Vexamus; who a little while ago said to simply bridge pins 4-5-6 on the fan header and that should fool the HP server into believing the fans are still there and working. You can flip the BIOS option to allow operations with reduced fan count after you replace the fans. They are fine as if I'm swap them from a slot to another one, they run fine. Replace the drive with predictive failure with a known good drive (preferrably NEW drive) and then power on the server. SNMP HPE ProLiant System Health Sensor For a detailed list and descriptions of the channels that this sensor can show, see section Channel List . troubleshoots servers, server blades, and HPE Apollo systems. Orange light Shows : Power > means something worng with your power supply. 1611- Fan 1 missing, 1611- Fan 2 missing, 1611- Fan 3 missing, 1611- Fan 4 missing, Fan Solution Not Sufficient, 1615- Power Supply Failure or Power Supply Unplugged in bay 1. Oct 21, 2014 · Paessler mentioned that they have reworked the sensor to update the behaviour with the latest HP update, so we have done a test case, installing the latest proliant support pack on an HP Proliant ML 110, the installed version of the HP systems management agents is 10. One-year Next Business Day, on-site limited global warranty. On the back of the server itself, the first power supply plug was not in use. Cheap cores and RAM, quiet, just lovely. all fans speed went to normal. Run systemctl enable autofan to start the service on reboot. May 5, 2013 · Server (HP DL 380 G7 with P410i/256MB SAS controller, 1 CPU, 12 GB of RAM, 1 RAID-5 array of 4 disks+hot spare) is running VMware ESXi 5. 1 Spice up. If the missing message still appears after reconnecting the cable, contact HP Support: HPE ProLiant DL320e Gen8 v2 fans. Remove old thermal compound from integrated circuits and heat sinks and replace with new thermal compound. Enabled—The server automatically shuts down when the internal server temperature reaches within five degrees of the Sep 24, 2020 · The HP air coolers for the Z420/Z620 use a standard PWM fan pinout except HP adds a short ground to ground jumper wire at the plug end from pin 1 to pin 5. but we got a bunch - 6623774. Abstract. ie of nf ru db en iu mj fw wa