AH/AY-AP18DR
AH/AY-AP24DR
26
20.
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 synchronously 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 synchronously 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.
When the louver unit is not properly installed, all lamps on the indicator panel will blink, operation are all stop
and Remote signal is not accept.
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.
