Mitsubishi Heavy Industries 140KXZEN1, Service Manual, Page: 108 / 166

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106
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E58
E58
Anomalous compressor
by loss of synchronism
Keeps flashing Stays Off
Keeps flashing 1 time flash
1. Applicable model
5. Troubleshooting
Outdoor unit
Diagnosis Countermeasure
Is there any
record to replace the
inverter PCB ?
Is this
the first startup
within one hour after power
was supplied?
Save data for 30 minutes before stopping in Mente PC.
Check the data for 30 minutes before stopping.
There is some possibility that compressor
is broken.
Replace the compressor.
NO
YES
NO
YES
Check and save the data of
operating condition.
There is posibility that
refrigerant is migrated in
the refrigerant oil in the
compressor.
Wait for about one hour
under the condition of
power ON and start again.
( Keep on crankcase heater
ON and evaporate the
liquid refrigerant migrated
in the compressor.
There is some possiblity
that the model setting is
wrong.
Check the dip switch of
model setting.
2. Error detection method
When 7-segment LED (E58)
displayed.
3. Condition of error displayed
This anomaly is established 4
times within 15 minutes.
4. Presumable cause
• Insufficient time passed after
power supplied.
(Startup the compressor
without crankcase heater ON)
• Faulty compressor
Note:
If it does not recur, connect the Mente PC and continue to collect data.
Error code
Remote control:
7-segment display:
LED Green Red
Indoor
Outdoor
Content
'17 • KX-SM-272