Replaing The Internal Fan - Siemens SINAMICS G120 Operating Instructions Manual

Servicing and maintaining

11.4 Replaing the internal fan

11.4 Replaing the internal fan
When do you have to replace the fan?
A defective fan involves an over temperature of the converter. Indications for a defective fan
are e. g. the following alarms and faults:
● A30034 (Internal overtemperature)
● F30036 (Internal overtemperature)
● A30049 (Internal fan faulty)
● F30059 (Internal fan faulty)
Removal
The fan is situated at the top of the converter.
1. Power-down the Converter
Dangerous voltage!
Hazardous voltage is still present for up to 5 minutes after the power supply has been
switched off. Do not to carry out any installation work before this time has expired!
2. Using a screw driver, bend the locking latches to release the fan.
3. Pull the fan out.
Installation
1. Gently push the fan module into the converter, ensuring that the power connections are
2. The fan will click into place as the locking latches are engaged correctly.
3. Power-up the converter.
274
DANGER
aligned correctly.
SINAMICS G120C frequency converter
Operating Instructions, 03/2012, FW V4.5, A5E02999804B AB