Diagnosis Procedure - Sharp AY-AP7FHR Service Manual

AYAP7FHR

[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.
Timer
LED
Indoor Operation
fan motor LED
Comp.-lock Operation
LED
Thermistor Operation
short state LED
Thermistor Operation
open state LED
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.
1sec. 1sec.
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
3 – 6
4sec.