Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 247

Error code
None
Remote control:
1. Applicable model
FDTC, FDEN and FDE series
only
2. Error detection method
3. Condition of error displayed
4. Presumable cause
• Defective LM
• LM wire breakage
• Faulty indoor control PCB
Note:
LED Green Red
Keeps flashing Stays OFF
Indoor
– Stays OFF
Outdoor
5. Troubleshooting
Diagnosis
L Check at the indoor unit side.
Operate after
waiting for more
than 1 minute.
Does the louver
operate at the power
on?
YES
Is the louver
operable with the remote
control?
LM: louver motor
246
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Content
Louver motor failure
(FDTC, FDEN and FDE series)
NO
Is LM wiring
broken?
NO
YES
Is LM locked?
NO
YES
YES
NO
-
'17 • SCM-T-225
Countermeasure
Repair wiring.
Defective indoor control
PCB ➞ Replace.
Replace LM.
Normal
Adjust LM lever and then
check again.