Mitsubishi SRR60ZJ-S, Service Manual

Page: 84 / 162

-
83
-
'10 • SCM-SM-094
Error code
Remote controller:
LED Green Red
Indoor
Content
None
Power supply system error
(Power supply to indoor control PCB)
Stays OFF Stays OFF
Outdoor – Stays OFF
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Is
AC220/240V
detected between 1 and
2 on the terminal block
of indoor
unit?
NO
NO
Are fuses
OK (F200, F201)?
YES
YES
YES
NO
Is the
check of resistance between
- of CNW0
OK?
NO
Is the
checked result
of resistance of FM,
LM, etc
OK?
NO
NO
(1)
Note (1) for GND
Is DC5V
detected between -
of CNW2?
NO
Is
AC220/240V
for 1-phase unit detected between
1 and 2 on the terminal
block of outdoor
unit?
YES
YES
YES
YES
Is JX1 open?
Defective outdoor control
PCB (Noise filter)
Misconnection or breakage
of connecting wires
Defective indoor control or
power PCB
ª
Replace.
Replace FM, LM, etc.
Replace fuse.
Defective indoor power
PCB
ª
Replace.
Open JX1.
Defective indoor control
PCB
ª
Replace.
2. Error detection method
3. Condition of Error displayed
4. Presumable cause
• Misconnection or breakage of
connecting wires
• Blown fuse
• Faulty indoor control or
power PCB
• Broken harness
• Faulty outdoor control PCB
(Noise filter)
Note: