Mitsubishi SCM40ZS-S, Техническое руководство

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247
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'16 • SCM-T-199
E1
Remote control
communication circuit error
Keeps flashing Stays OFF
Outdoor
– 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 (1) Does the remote control still display “ ” even
after 3 minutes?
Power source reset
NO
WAIT
Malfunction by noise
Check peripheral
environment.
Defective indoor 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 control PCB
Note:
If the indoor unit cannot communicate normally with the remote control for 180 seconds, the indoor contnrol PCB starts to
reset automatically.
Error code
Remote control:
LED Green Red
Indoor
Content