Mitsubishi Heavy Industries SRK20ZJX-S Service Manual page 89

Error code
Remote controller:
WAIT
1. Applicable model
All models
When the fuse is blown, the
method to inspect outdoor sub
PCB before replacing the power
supply 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
Outdoor – Stays OFF
5. Troubleshooting
Diagnosis
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
88
-
Content
Communication error at
initial operation (2/3)
NO
Replace the outdoor
sub PCB
NO
Replace the outdoor
main PCB
NO
Replace the
reactor.
-
'10 • SCM-SM-094
Countermeasure
Replace fuse.