Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 331

Error code
Remote controller:
WAIT
7-segment display:
1. Applicable model
2. Error detection method
3. Condition of error displayed
4. Presumable cause
• Faulty setting of remotr
controller
• Mistake in auto address
setting procedure
• Faulty wiring
• Faulty indoor PCB
• Faulty remote controller
Note:
LED Green Red
Keeps flashing Stays Off
Indoor
Keeps flashing Stays Off
Outdoor
5. Troubleshooting
Diagnosis
Is the
voltage>15V
between X-Y terminals of
remote
controller?
Remove the wires of
remote controller
1
Is the Votage>15?
YES
Is the number
of remote controllers
≤2?
YES
Is any wrong
connection of superlink
signal wires?
YES
Is any
poor connection of remote
controller?
327
–
Content
WAIT
NO
AC Transformer FDT
Is the
voltage between
�-� CNW2
DC18V?
Is the
voltage>AC20V
between brown-brown
terminals of
NO
transformer?
Is supply power
voltage OK ?
YES
NO
NO
YES
NO
–
(1)
Countermeasure
NO
Replace power PCB
YES
Replace contol PCB
NO
Check the power supply
YES
Replace AC transformer
Replace indoor PCB
Correct wiring
Correct wiring
Correct wiring
Replace remote controller