![background image](http://html.mh-extra.com/html/daikin/2amx40g2v1b/2amx40g2v1b_service-manual_501057196.webp)
Troubleshooting
SiBE12-933_A
186
Service Diagnosis
4.9
Compressor Lock
Remote
Controller
Display
E6
Method of
Malfunction
Detection
Judging from current waveform generated when high-frequency voltage is applied to the
compressor.
Malfunction
Decision
Conditions
The system is shut down if the error occurs 16 times.
Clearing condition: Continuous run for about 11 minutes (normal)
Supposed
Causes
Compressor locked
Disconnection of compressor harness
Troubleshooting
Check No.14
Refer to P.219
(R7172)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Normal?
YES
(Precaution before turning on the power again)
Make sure the power has been off for at least 30 seconds.
NO
Turn off the power. Disconnect the
harnesses U, V and W.
Check with the inverter checker (
∗
).
Turn off the power and reconnect
the harnesses. Turn on the power
again and get the system restarted.
Emergency stop
without compressor
running?
System shut down
after errors repeated
several times?
YES
NO
YES
NO
∗
Inverter checker
Part No.: 1225477
Correct the power supply or
replace the PM1.
(Replace the outdoor unit
PCB.)
Replace the compressor.
Check the electronic
expansion valve.
Replace it as required.
Replace the compressor.
Check No. 14