Note
Venting the phase module
It is not necessary to vent the phase module.
Check the water level in the expansion vessel of the re-cooling unit. If necessary, add water.
For more detailed information, refer to the operating instructions of the re-cooling unit.
9.5.5.3 Replacing the diode module
The diode module is a replaceable unit. The weight is > 220 kg. The entire diode module must
be withdrawn from the drive so that it can be repaired.
Required tools
● Cooling water catchment tank for emptying the drive
● Open-ended spanner (22 mm)
Prerequisite
Prepare the changing deviceas described in Section "Attaching the changing device to the
stacker (Page 148)".
Maintenance
9.5 Repair
SINAMICS SM150 6SL3845-2NN41-8AD2
Operating Instructions Rev.201910281310 EXAMPLE 157
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