TCL Air Conditioner Service Manual
12
the display. You can now adjust the temperature with the
▲▼
button. Press the Timer button again to
display the time, which can now also be adjusted
☆
.
If the Timer button is pressed again, the data is stored and
the remaining time(that the air conditioner will be in operation) will appear in the display.
☆
Pressing the ON/OFF/RUN button instead of the Timer button deactivates the remote control.
Note: check that the TIMER INDICATOR on the indoor unit lights up after the timer has been set.
Press the Timer function to check the settings in the display.
13. EMERGENCY-TEST 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, HEATING 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, the normal operation will start.
NOTE: Do not press the EMERGEMCY Operation switch during normal operation.
14.AUTO RESTART Function (Option)
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.
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
℃
or 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
eliminated, 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