22
FAULT DIAGNOSIS BY REMOTE CONTROLLER
In the ARC445A series, the temperature display sections on the main unit indicate corresponding codes.
1. When the TIMER CANCEL button is held down for 5 seconds, a
“”
indication flashes on the
temperature display section.
2. Press the TIMER CANCEL button repeatedly until a continuous beep is produced.
•
The code indication changes as shown below, and notifies with a long beep.
NOTE
Fault diagnosis.
CODE MEANING
SYSTEM 00 NORMAL
INDOOR UNIT
A1 INDOOR PCB DEFECTIVENESS
A5 HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
A6 FAN MOTOR FAULT
C4 FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
C9 FAULTY SUCTION AIR TEMPERATURE SENSOR
OUTDOOR
UNIT
F6 HIGH PRESSURE CONTROL (IN COOLING)
J6 FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
1. A short beep and two consecutive beeps indicate non-corresponding codes.
2. To cancel the code display, hold the TIMER CANCEL button down for 5 seconds. The code display
also cancel itself if the button is not pressed for 1 minute.
TIMER CANCEL button
It cancels the timer setting.
01_EN_3P147100-4H.fm Page 22 Thursday, October 27, 2005 10:12 AM
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