Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual page 289

Error code
Remote controller:
WAIT
1. Applicable model
Model SRC40 – 60
When the fuse is blown, the
method to inspect inverter
before replacing the power
supply fuse
2. Error detection method
3. Condition of Error displayed
4. Presumable cause
• Blown fuse
• Faulty noise filter
• Connection between PCB's
• Blown fuse on single phase
model
• Faulty indoor control PCB
• Defective remote controller
• Breakage of remote controller
wire
• Faulty outdoor control PCB
Note:
LED Green Red
Keeps flashing Stays Off
Indoor
Keeps flashing 2 times flash
Outdoor
5. Troubleshooting
Isn't there
a short-circuit between phases of
noise filter?
YES
Aren't there
cracks or burning on the power
ransistor module or diode
stack?
YES
Isn't reactor the anomalous?
YES
279
–
Content
WAIT
(Model SRC40 - 60)
Diagnosis
NO
Replace the noise
filter.
NO
Replace the
control PCB.
NO
Replace the
reactor.
–
(2/3)
Countermeasure
Replace fuse.