Mitsubishi SCM40ZS-S Technical Manual page 246

Error code
Remote control:
WAIT
1. Applicable model
All models
When the fuse is blown, the
method to inspect outdoor sub
PCB before replacing the power
source fuse
2. Error detection method
3. Condition of error displayed
4. Presumable cause
• Blown fuse
• Faulty outdoor sub PCB
• Faulty outdoor main PCB
• Faulty reactor
Note:
LED Green Red
Indoor Keeps flashing Stays OFF
– Stays OFF
Outdoor
5. Troubleshooting
Diagnosis
From previous page
Isn't there
a short-circuit between phases of
outdoor sub PCB?
YES
Aren't there
cracks or burning on the power
ransistor module or diode
stack?
YES
Isn't reactor the anomalous?
YES
245
-
Content
Communication error at
initial operation (2/3)
NO
Replace the outdoor
sub PCB
NO
Replace the outdoor
main PCB
NO
Replace the
reactor.
-
'16 • SCM-T-199
Countermeasure
Replace fuse.