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










