Sharp AY-A079E Service Manual page 14

AY/AE-A079E
AY/AE-A099E
19.Diagnosis procedure
When indoor fan motor is out of order or compressor lock occurs, the compressor, inddor 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 three seconds both
"TEST" button and "AUX." button.
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
14
4sec.