TCL Air Conditioner Service Manual
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moment power has restored after power failure. Then, the unit will restart automatically.
Auto-restart presetting:
The appliance is preset as no auto-restart function by manufacture. If Auto-restart function is needed, follow the
below step to active this function:
1) Make sure air conditioner is turned off.
2) Press down and hold the Emergency button (ON/OFF) on the indoor unit white turn on the air conditioner.
3) Keep pressing th e Emergency button for ov er 10s until three short beeps are heard.
Then Auto-restart function is activated. To cancel the Auto-restart function, repeat above procedure until four
short beeps are heard.
15. Failure Display and Handling
a) The failure of the resistance of heat sensitive:
When the resistance of heat sensitive reads the temperature is lower than -50
℃ o r over than 110℃ that
judge the heat sensitive is bad.
b) The Outdoor Protection Control
When the system checks the signal from outdoor of the voltage is 0V, the system delay 1second to start for
check the signal again, if checks the signal of the voltage is 0V too, that the system not to star, or operates on
normal.
c) Failure Display
When the controller is failure, the buzzer will voice long for three times, and displays the failure from the
failure lamp.
d) Failure Code
If have the digital pipe that display 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
Outdoor protection function 5 times/cycle E5
The failure of indoor fan 6 times/cycle E6
e) Failure Handling
When the room temperature sensor or the indoor pipe temperature sensor is 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
this, it displays the failure and the protction is failing. You must be give the electric ag ain to operate it.
In the failure, you can operate the FAN mode.
When the outdoor protects in the COOLING or DRY, the outdoor unit stops, the indoor fan operates in
set speed ; and in the HEATING, the outdoor unit stops, the assistant thermistor stops, the indoor fan
operates in cold air prevention control. The system doesn’t receive the signal of remoter controller
except the signal of shut off it. When the system check the voltage is 220V and the delay control is
finished, it operates at normal again.
When the indoor fan motor is failure, the compressor is stopped, the outdoor fan and indoor fan is
stopped and display the failure. The system doesn’t receive the signal of remoter controller except the
signal of shut off it.
f) Display Of The Control
In the display board the lamp from left is the POWER lamp(Red), the SLEEP lamp(Yellow), the TIMER
lamp(Yellow), the RUN lamp(Green).
(7) When gives the control electric, the buzzer voices a long for 0.3 second per cycle.