Dell Force10 S4820T Installing the S4820T System - Page 44

Install a Fan Module, Replace a Fan Module

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www.dell.com | support.dell.com Install a Fan Module CAUTION: DO NOT mix airflow directions. Both fans must use the same airflow direction (reverse or normal). If the airflows are mismatched, an error message appears and the system shuts down. 00:02:19:%S4820T:0%CHMGR-2-PSU_TYPE_AIRFLOW_MISMATCH: Mismatching PSU airflow detected. Unit 0 shall get shutdown in next 60 seconds if mismatch not rectified. 00:02:19:%STKUNIT0-M:CP%CHMGR-1-PSU_AIRFLOW_COMBO_MISMATCH: Major alarm: Mismatching PSU airflow detected in unit 0 The fan modules in the S4820T are field replaceable. Module slot 0 is on the left side of the chassis; module slot 1 is on the right side of the chassis. To install a fan module, follow these steps: Step Task 1 Take the fan module out of the shipping box. 2 Use the grab handle to slide the fan module into the bay. 3 Tighten the securing screws on the sides of the fan module. Replace a Fan Module To replace a fan module, follow these steps: Step 1 2 3 4 Task Loosen the securing screws on the sides of the fan module. CAUTION: You must complete steps 2 and 3 within one minute or the system powers down. Use the grab handle to slide the fan module out of the bay. Use the grab handle on the replacement module to slide it into the bay. Tighten the captive screws on the replacement module with a screwdriver. Ensure the module is secure. 44 | Fans

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44
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Fans
www.dell.com | support.dell.com
Install a Fan Module
The fan modules in the S4820T are field replaceable. Module slot 0 is on the left side of the chassis;
module slot 1 is on the right side of the chassis.
To install a fan module, follow these steps:
Replace a Fan Module
To replace a fan module, follow these steps:
CAUTION:
DO NOT mix airflow directions. Both fans must use the same airflow direction (reverse or normal). If the
airflows are mismatched, an error message appears and the system shuts down.
00:02:19:%S4820T:0%CHMGR-2-PSU_TYPE_AIRFLOW_MISMATCH: Mismatching PSU airflow
detected. Unit 0 shall get shutdown in next 60 seconds if mismatch not
rectified.
00:02:19:%STKUNIT0-M:CP%CHMGR-1-PSU_AIRFLOW_COMBO_MISMATCH: Major alarm:
Mismatching PSU airflow detected in unit 0
Step
Task
1
Take the fan module out of the shipping box.
2
Use the grab handle to slide the fan module into the bay.
3
Tighten the securing screws on the sides of the fan module.
Step
Task
1
Loosen the securing screws on the sides of the fan module.
CAUTION:
You must complete steps 2 and 3 within one minute or the system powers down.
2
Use the grab handle to slide the fan module out of the bay.
3
Use the grab handle on the replacement module to slide it into the bay.
4
Tighten the captive screws on the replacement module with a screwdriver. Ensure the module is secure.