Mitsubishi Heavy Industries SRK60ZJX-S, Technical Manual

Page: 233 / 272

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232
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'10 • SR-T-091
E19
Indoor unit operation check,
drain motor check setting error
Keeps flashing 1 time flash
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Is SW7-1
on the indoor control
PCB ON ?
E19 occurs
when the power ON
NO
YES
Defective indoor control
PCB (Defective SW7)
➞
Replace
Turn SW7-1 on the indoor
control PCB OFF and reset
the power
2. Error detection method
After indoor operation check,
when the communication
between indoor and outdoor
unit is established and SW7-1 is
still kept ON.
3. Condition of Error displayed
Same as above
4. Presumable cause
Mistake in SW7-1 setting
(Due to forgetting to turn OFF
SW7-1 after indoor operation
check)
Note:
Error code
Remote controller:
LED Green Red
Indoor
Content