Troubleshooting - TCL AC12000E User Manual

TROUBLESHOOTING

Do not repair or disassemble the unit by yourself, unauthorized repair attempts will
invalidate the warranty and may cause bodily harm.
Trouble
No power supply
Ft displayed on screen
The unit does
Timer function is active
not work
Room temperature too low or too high
In direct sunlight
Windows or doors open.
Large amount of people or a heat
The unit does
source in the room.
not seem to
Filter is very dirty
Air inlet or air outlet is blocked
perform.
Room temperature is lower than the
desired temperature set
The unit is loud The unit is not sited on flat surface
Compressor
Overheating protection is active
does not work
Operating distance is too far.
Remote control
Control panel has not received the
doesn't work
signal from remote control.
The batteries are flat
Ft on LCD
Water tank is full inside the machine
Pf on LCD
Room temperature is abnormal
Lt on LCD
Anti-freezing protection
High pressure protection
Water leakage
If the above solutions do not resolve the problem please contact the service centre.
Reason
Page 16 of 18
Solution
Power-on and turn on the unit.
Drain the internal water tank
Cancel Timer function
Use only in ambient temperatures between
5-35℃
Draw the curtains, UV affects performance
Close windows and turn on another air
conditioner
Clean or change the air filter
Clear out debris
Change the desired temperature set
Put the unit on flat surface. Carpet under the
unit can prevent vibrations.
Check venting.
Restart the unit after 5 minutes when the
compressor has cooled
Move the remote control closer to the unit and
make sure it is aimed at the air-outlet grille
Replace the batteries
Drain out water from the drain port at bottom
rear of the unit.
Temperature not within 5-35 C operating
range. If temperature within operating range
clean the filters
Waiting for defrosting.
Function will recover automatically. No user
input needed.
After inside gas pressure comes down, it will
function normally. No user input needed
Internal blockage. Clean filters.
Use permanent drainage if very humid
environment or in heating/ dehumidifier
mode