Service manual

43
Self-Diagnostic Function
The control will contain diagnostic test to verify the integrity of the system.
(1) Error Code Display Pattern
ON LAMP: Blink
LED BLINK PATTERN CASE NOTE
Room Sensor open or Short Continuously woorking to fix room
temperature 18¡C in heating mode.
Continuously woorking to fix room
temperature 32¡C in cooling mode
I/D coil sensor open or short Do not woorking
1 times blink O/D coil sensor open or short
Compressor or electrical parts Continuously workiug
of compressor error.
2 times blink Gas leak
0.5s
8s