Service manual

AYAP7FHR
3 – 6
[3] DIAGNOSIS PROCEDURE
When indoor fan motor is out of order or compressor lock occurs, the compressor, indoor fan motor, outdoor fan motor, and louver are all stopped and
the operation LED(red) turns on or off syncronously with the timimg of the timer LED.
When the thermistor for room temperature or pipe temperature is open or short state, the operation LED turns on or off syncrnoously with the timing
of the timer LED by pushing continously for more than 5 seconds "AUX." button during suspension of operation.
Timing chart of Timer LED and Operation LED of DIAGNOSIS PROCEDURE.
When "OI" button the remote controller or "AUX." button in the unit is pushed, the unit is free from DIAGNOSIS PROCEDURE.
Indoor
fan motor
Comp.-lock
Thermistor
short state
Thermistor
open state
Timer
LED
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Operation
LED
Operation
LED
Operation
LED
Operation
LED
1sec. 1sec.
4sec.