Daikin 2AMK40FV1B [222/280] Compressor lock

Daikin 2AMK40FV1B [222/280] Compressor lock
SiBE12-712 Troubleshooting
Service Diagnosis 211
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 will be 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
Note: If the model doesn't have SPM, replace the outdoor unit PCB.
Turn off the power. Disconnect the
harnesses U, V and W.
Inverter checker
Part No.: 1225477
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
Replace the compressor.
Check the electronic
expansion valve.
Replace it as required.
Replace the compressor.
(R7031)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
NO
YES
YES
System shut
down after errors repeated
several times?
NO
NO
Normal?
YES
Emergency stop
without compressor
running?
Check with the inverter checker ().
Turn off the power and reconnect
the harnesses. Turn on the power
again and get the system restarted.
(Precaution before turning on the power again)
Make sure the power has been off for at least 30 seconds.

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