will turn o.
2. Remove the fan unit.
SN3700/SN3700C Fan Module Latches
SN3750-SX Fan Module Latches
SN3420 Fan Module Latches
To insert a fan unit:
1. Make sure the mating connector of the new unit is free of any dirt and/or obstacles.
2. Insert the fan unit by sliding it into the opening until slight resistance is felt.
Continue pressing the fan unit until it seats completely.
Warning
The green Fan Status LED should light. If not, extract the fan
unit and reinsert it. After two unsuccessful attempts to install
the fan unit, power o the system before attempting any
system debug.