Mitsubishi SCM45ZS-S User Manual

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241
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'16 • SCM-T-199
None
Power source system error
(Power source to remote control)
Keeps ashing 3-time ash
Outdoor
–
Stays OFF
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Isn't there any
loose connection of remote
control wires?
Isn't remote
control wire broken or
short-circuited?
Disconnect remote
control wires.
NO
Is DC15V or
higher detected between X-Y
of indoor unit terminal
block?
YES
YES
YES
NO
Is DC180V
between
① - ② of CNW1
(FDTC:CNW2)?
YES
NO
NO
Correct.
Replace wires.
Replace remote control.
Defective indoor power
PCB
→
Replace.
Defective indoor control
PCB
→
Replace.
2. Error detection method
3 .
Condition of error displayed
4. Presumable cause
• Remote control wire
breakage/short-circuit
• Defective remote control
• Malfunction by noise
• Faulty indoor power PCB
• Broken harness
• Faulty indoor control PCB
Note:
Error code
Remote control:
LED Green Red
Indoor
Content

Mitsubishi SCM45ZS-S Specifications

General

Brand	Mitsubishi
Model	SCM45ZS-S
Category	Air Conditioner
Language	English