High Temperature Protection Of Ipm Module Or Compressor Top (P2) - Bosch Climate 5000 Series Service Manual

5 6 | Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Outdoor Unit

8.11 High temperature protection of IPM module or compressor top (P2)

Error Code
Malfunction decision conditions
Supposed causes
Table 34
Troubleshooting:
Check if the Fastening screws
on the PCB and IPM radiator
Tighten the screws and apply
Tighten the screws and apply
Figure 54
Data subject to change
P2
If the sampling voltage is not 5V, the LED will display the failure.
Installation mistake
Power supply problems
System leakage or block
Outdoor PCB faulty
are fixed tightly.
No
silicon grease.
silicon grease.
Yes
Replace the outdoor control PCB.
eplace the outdoor control PCB.
04.2020 | Bosch Thermotechnology Corp.
Service Manual