Troubleshooting
Page 100
5.10 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:
Check the pow er supply.
D o a n y e x is t?
A re they w ithin acceptable
param eters?
Are they properly connected?
Is it in w orking order?
Replace the outdoor unit.
Is it in w orking order?
C heck system for blockages.
YES
Stop the unit.
NO
C lear the blockage.
NO
C heck the com pressor resistance values.
YES
Replace the com pressor.
NO
Check the connections and w ires.
YES
Ensure proper connections or
replace the w ires.
NO
C heck the reactor.
YES
YES
Replace the outdoor
electronic control box.
NO
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