Error code
Remote control:
LED Green Red
Indoor
Content
E19
Indoor unit operation check,
drain pump motor check setting error
Keeps ashing
1-time ash
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Is SW7-1
on the indoor unit control
PCB ON ?
E19 occurs
when the power ON
NO
YES
Defective indoor unit
control PCB (Defective
SW7)
➞
Replace.
Turn SW7-1 on the indoor
unit 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:
'22 • PAC-SM-412
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78
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