P0 (Ipm Malfunction Or High Current Protection Diagnosis And Solution) - Bosch CLIMATE 5000 Service Manual
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Also See for CLIMATE 5000:
- Installation manual (28 pages) ,
- Installation, operation and maintenance manual (24 pages) ,
- User manual (16 pages)
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5.5.10 P0 (IPM malfunction or high current protection diagnosis and solution)
Description: The IPM sends voltage signal to the compressor drive chip. If the voltage signal is out of range, "P0" will be shown on the display and the
unit will be turned off.
Possible defects:
• Wiring mistake
• IPM malfunction
• Faulty outdoor fan assembly
• Compressor malfunction
• Faulty outdoor PCB
Troubleshooting and repair:
Check the wiring between PCB and
Does an error exist?
Check the IPM.
Is it in working range?
Check the outdoor fan and the outdoor unit
Is the function OK?
Check the compressor resistance
Are the values within
acceptable ranges?
Replace the outdoor PCB.
CLIMATE 5000 RAC SINGLE SPLIT (R32) – 6720894076 (2019/08)
compressor.
NO
YES
ventilation.
YES
values.
YES
Ensure proper connections or replace the wires
YES
Replace the IPM board or replace the
NO
outdoor PCB.
Please refer to the solution of the "Fan Speed is Out of
NO
Replace the compressor.
NO
and connectors.
Control"malfunction.
Troubleshooting
53
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Troubleshooting
