F0(Overload Current Protection Diagnosis And Solution) - Kaisai FLY INVERTER Series Service Manual

5.9

F0(Overload current protection diagnosis and solution)

Description: An abnormal current rise is detected by checking the specified current detection circuit.
Recommended parts to prepare:
• Power supply problems.
• System blockage
• Faulty PCB
• Wiring mistake
• Compressor malfunction
Troubleshooting and repair:
Is it in working order?
Check system for blockages.
parameters?
Check the connections and wires.
Are they properly connected?
Check the reactor.
Is it in working order?
Replace the outdoor unit.
YES
Do any exist?
YES
YES
YES
YES
NO Stop the unit.
NO Clear the blockage.
NO
NO
replace the wires.
NO
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