Specifications

Troubleshooting SiBE04-624
166 Service Diagnosis
2.19 Compressor Lock
Remote
Controller Display
E6
Outdoor Unit LED
Display
A5 5 5 ( - )
Method of
Malfunction
Detection
Judging from current waveform generated when high-frequency voltage is applied to the
compressor.
Malfunction
Decision
Conditions

The machine is shut down when the fault count reaches 16.

Clear condition: Continuous operation for 11 min. (without fault)
Supposed
Causes

Compressor lock

Disconnection of compressor harness
Troubleshooting
Check No.14
Refer to P.206
* Inverter checker
Part No.: 1225477
Rectify the power supply or
replace the outdoor unit PCB.
Replace the compressor.
Check the electronic
expansion valve.
Replace the electronic
expansion valve.
Replace the compressor.
(R6010)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Turn off the power supply, and
disconnect U, V, and W
harnesses
Does the
machine shut down after
repeating stop of compressor
several times?
YES
NO
YES
YES
NO
NO
Is it OK?
Does the
compressor stop without
running?
Turn off the power supply, replace
the harnesses, and restart the
compressor after turning on the
power supply again.
Check No.14
Check the inverter by the
inverter checker*