Air Conditioner Service Manual
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Press the Timer button(‘h’ flashes).
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Use the button to select the time at which the air conditioner must activate (between 0 and 10
hours can be set at every half hour-between 10 and 24 hours can be set at every hour).
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Press the Timer button (‘h’ stops flashing) and the preset time appears in the display.
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Press the Timer button again to delete the selected data from the memory.
Note : If no buttons are pressed during the programming of the timer function, thee remote control will
switch off automatically after 10 seconds.
(2) To switch the air conditioner off at the desired time, follow the procedure specified below (the remote control
and air conditioner are switched off):
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Press the timer button.
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Use the button to select the time at witch.
13. EMERGENCY Operation
When the EMERGENCY Operation switch is pressed once, COOLING mode is selected and if in 3 seconds the
EMERGENCY Operation switch is pressed again, mode is selected. Then pressed once again, the unit is switch
off.
When the remote controller is missing, has failed or the batteries run down, press the EMERGENCY Operation
switch on the front of the indoor unit. The unit will start.
The first 30 minutes of operation will be the test run operation. The operation is for servicing. The indoor fan runs
at high speed and the system is in continuous operation. The thermostat is ON and the timer is reset to normal.
After 30 minutes of test run operation the system shifts to AUTO COOLING/HEATING mode, and the indoor fan
runs in automatic speed. The operation continues unit the EMERGENCY operation switch is pressed or a button
on the remote controller is pressed and normal operation will start.
NOTE: Do not press the EMERGEMCY Operation switch during normal operation.
14. AUTO RESTART Function(Option)
1.When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan
speed are memorized by the indoor electric control PCB. The AUTO RESTART function sets to work the
moment power has restored after power failure. Then, the unit will restart automatically.
2. How to set the AUTO RESTAR function.
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Press the emergency switch and power supply to the PCB following, hold 10 seconds and the buzzer will
beep three times. The AUTO-RESTAR is set.
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Do the operation again, the buzzer will beep four times and the AUTO-RESTAR function is cancelled.
15.
Failure Display and Handling
a) Failure
Display
When the controller has failure, the buzzer will sound long for three times, and displays the failure from the
failure lamp.
b) Failure
Code
If have the digital pipe that displays the failure code for digital pipe, or display for the run lamp.
Type of failure
The lamp flash
Display of digital pipe
The failure of room temperature sensor
Once/cycle
E1
The failure of indoor pipe temperature sensor
Twice/cycle
E2
The failure of indoor fan motor
6 times/cycle
E6
c) Failure
Handling
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When the room temperature sensor or the indoor pipe temperature sensor has a failure, the system will be
shut off, the compressor will be OFF, and the outdoor fan and the indoor fan will be OFF. The system
doesn’t receive the signal of remoter controller except the signal of shut off it. When the failure
disappear, the controller can operate in normal mode. before this, presses the “ON/OFF” to start the
system, and it will operate in COOLING or HEATING for 30 minutes, and follows shut off. During
