Bosch Climate 5000 - F0 (Overload Current Protection Diagnosis and Solution)

52 CLIMATE 5000 RAC SINGLE SPLIT (R32) – 6720894076 (2019/08)
Troubleshooting
5.5.9 F0 (Overload current protection diagnosis and solution)
Description: An abnormal current rise is detected by checking the specified current detection circuit.
Possible defects:
• Power supply problems.
• System blockage
• Faulty PCB
• Wiring mistake
• Compressor malfunction
Troubleshooting and repair:
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Stop the unit.
Clear the blockage.
Check system for blockages.
Check the connections and wires.
Check the reactor.
Replace the outdoor unit.
Check the power supply.
Replace the compressor.
Replace outdoor PCB.
Ensure proper connections or replace
the wires.
Check the compressor resistance values.
Is it in working range?
Are they properly
connected?
Is it in working range?
Blockage exist?
Are the values within acceptable
ranges?