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TROUBLESHOOTING
1
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[] ~ [] Activation of Compressor Internal Thermostat
!
This alarm code is indicated when the compressor internal thermostat is higher than 115ºC
Is alarm activated just after
running?
Is 220-240V the voltage
between connector PCN204 PIN1
and connector PCN 204 PIN3 on
the Printed board for Relay
(PCB
Wiring Check
[] ~ [] Phase Abnormality
!
This alarm code is indicated when the power source phase failure or reverse phase occur.
Is power source phase
failure or reverse phase?
Is printed circuit board for relay
(PCB
) connector R.S.T correctly
D
connected?
Is the power source of
connector R.S.T part phase
failure or reverse phase?
Yes
No (Activate
after a while)
No (Printed Circuit
Board is normal)
)?
D
Yes
Yes (Phase Failure,
Reverse Phase)
No
No
Yes
Yes
No (Correct Phase)
Is 220-240V the
voltage between
connector PCN204
Yes
PIN1 and connector
PCN 204 PIN3 on
the Printed Circuit
Board for Relay
(PCB
) ?
D
No
Excessive or short power source voltage
Interphase of power source voltage is imbalanced.
Compressor motor is locked
Insulation of compressor motor is lowered
circuit board for relay
Check Printed
Circuit Board for
Relay (PCB
)
D
Wiring Check
(breaking of wire,
wrong wiring)
Power Supply,
Wiring Check
Connection repair
Repair to correct
phase
Check printed
(PCB
)
D
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