AH-A07CR
AH-A09CR
AH-A12CR
9. Outputs in each operation mode10. Power on start
If the connecting wire "POWER ON" (JP16) is shorten
Table H-4the PWB ass'y, when the power is supplied by turning
on a circuit breaker, the air conditioner automatically
OutdoorIndoorValvestarts of operation in "AUTO".
ModeCompressor
Fan Motor Fan MotorCoil(Refer to Figure L-2. Printed Wiring Board.)
C
OCoolingONONONOFF
O11. AUTO RESTART
LCirculatingOFFOFFONOFF
Power failure occurs during operation, the unit will
CoolingL/ULOFF
Dretart in the same operation mode as before after
R DehumidiflyingONONUL/DOFF
power recovery.
Y
CirculatingOFFOFFD/OFFOFF
12.Test mode
Keep pushing the "AUX." buttons and supply the
power, the system will go to the test mode. In this
mode, the output of operation is switched by pushing
the ""AUX." button in the unit or the "OI" button in the
remote controller. Normal outputs are shown in Table
H-5.
13.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.
1sec. 1sec.
ON
Timer 4sec.
LED
OFF
Indoor
ON
Operation
fan motor
LED
is abnormal
OFF
ON
Thermistor Operation
short stateLED
OFF
ON
Thermistor Operation
open stateLED
OFF
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.
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