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A5LCY-E-2010 Troubleshooting
Indicator Lights
Heat Pump Unit
The LED indicator lights are located at the side of the air conditioner unit.The heat pump units are equipped
with an “auto” mode sensor whereby it will provide reasonable room temperature by switching automatically to
either “cool” or “heat” mode according to the temperature set by the user.
When error is detected, the operation lamp will fl ash.
IR Receiver
ON/OFF
TIMER lamp (yellow)
ON/OFF button
Operation lamp (green)
Error Code Diagnosis by Wireless Handset iAPJ1
TIMER CANCEL button
Diagnosis Step
1. Hold down TIMER CANCEL button for 5 seconds, a “ ” indication fl ashes on the temperature display
section.
2. Press TIMER CANCEL repeatedly until indoor buzzer produces a long beep. This indicates the error
code, refers to Error Codes table and is displayed on the temperature display section.
3. A short beep or two consecutive beeps indicate non-corresponding error codes.
4. To cancel the error code display, hold down TIMER CANCEL button for 5 seconds. Alternatively, the code
display will cancel itself if the button is not pressed for 1 minute.
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