-
244
-
Error code
Remote control:
7-segment display:
LED Green Red
Indoor
Outdoor
Content
E19
Indoor unit operation check,
drain pump motor check mode anomaly
Keeps flashing
1 time flash
Keeps flashing
Stays Off
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Indoor unit control PCB
anomaly
(Anomalous SW7)
Replace.
Turn SW7-1 on the indoor
unit control PCB OFF and
reset the power.
2. Error detection method
When communication between
the indoor unit and outdoor unit
is restored in the operation check
mode
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 unit operation
check)
Note:
Indoor unit operation check/drain pump check mode
If the power is ON after SW7-1ON. indoor
unit
operation check/drain pump check mode can be established.
1)
When the communication between remote control and indoor unit PCB is established 15 seconds after power ON,
it goes to indoor unit operation check.
2)
When the communication between remote control and indoor unit PCB is not established, it goes to drain pump check
(CnB connector should be open before power ON)
Is SW7-1
on the indoor unit control
PCB ON?
E19 occurs when the
power ON
NO
YES