Mitsubishi Heavy Industries SCM80ZS-W User Manual

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127
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'19 • SCM-SM-276
Error code
Remote control:
LED Green Red
Indoor
Outdoor
Content
E1
Remote control
communication circuit error
Keeps ashing Stays OFF
–
Stays OFF
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Is it possible to
reset normally by the
power reset?
Does the drain
pump restart automatically
1 minute later?
Turn SW7-1 to OFF. ➝ ON
Remove the wire ③ connecting
between indoor/outdoor units.
YES
YES
NO
Note (2) Does the remote control still display “ ” even
after 3 minutes?
Note (1) Only indoor unit with drain pump(1)
Power source reset
NO
WAIT
Malfunction by noise
Check peripheral
environment.
Defective indoor unit
control PCB
→
Replace.
Defective remote control
→
Replace.
2. Error detection method
When normal communication
between the remote control and
the indoor unit is interrupted
for more than 2 minutes.
(Detectable only with the
remote control)
3 . Condition of error displayed
Same as above
4. Presumable cause
• Defective communication
circuit between remote
control-indoor unit
• Noise
• Defective remote control
• Faulty indoor unit control
PCB
Note:
If the indoor unit cannot communicate normally with the remote control for 180 seconds, the indoor unit contnrol PCB
starts to reset automatically.

Mitsubishi Heavy Industries SCM80ZS-W Specifications

General

Brand	Mitsubishi Heavy Industries
Model	SCM80ZS-W
Category	Air Conditioner
Language	English