Mitsubishi Heavy Industries FDC1000KXZWE1, Service Manual, Page: 114 / 183

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112
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'14 • KX-SM-200
Error code
Remote control:
7-segment display:
LED Green Red
Indoor unit
Heat source unit
Content
E63
E63
Emergency stop
Keeps flashing Stays OFF
Keeps flashing 1-time flash
1. Applicable model
5. Troubleshooting
Indoor unit
Diagnosis Countermeasure
Is the
remote control setting
of Emergency Stop
"Valid"?
Is ON
signal inputted to the
CnT terminal of indoor unit
control PCB?
Save data for 30 minutes before stopping in Mente PC.
YES
NO
NO
YES
Check and save the data of
operating conditions.
Check the conditions
whether it occurs
immediately after the power
on or during operation.
Replace remote control
PCB.
Replace indoor unit control
PCB.
Check the cause of
emergency stop.
(It is better to have the data
for 30 minutes before
stopping, when instructing
the installer)
2. Error detection method
When ON signal is inputted to
the CnT terminal of indoor unit
control PCB.
3. Condition of error displayed
Same as above
4. Presumable cause
Factors for emergency stop
Note:
Indoor unit detected emergency stop signal gives command "all stop"