Mitsubishi SRK100VNXWPZSX, Руководство по обслуживанию

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145
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'20 • PAC-SM-351
E1
Remote control
communication circuit error
– –
Keeps flashing Stays OFF
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Is it possible to
reset normally by the
power reset?
YES
Note (1) Does the remote control still display “ ” even
after 3 minutes?
WAIT
NO
NO
YES
YES
Is DC10V or
higher detected at remote control connection
terminals?
Is DC10V or higher
detected on remote control wires if
the remote control is
removed?
NO
NO
YES
YES
Is DC10V or
higher detected at interface kit connection
terminals?
Is DC10V or higher
detected on connecting wires if
the interface kit is
removed?
Are wires
connected properly between the
indoor/outdoor units?
NO
NO
YES
Malfunction by noise
Check peripheral
environment.
Defective remote control
Defective remote control
Defective interface kit
Defective interface kit
Defective connecting wire
Defective remote control
wire (Short-circuit, etc.)
Defective indoor unit
control PCB
➞
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
• Defective interface kit
Note:
If the indoor unit cannot communicate normally with the remote control for 180 seconds, the indoor unit PCB starts to reset
automatically.
Error code
Remote control:
Indoor
display
RUN light TIMER light
Green LED Red LED
Outdoor unit
control PCB
Content