Amcor AC12 - Troubleshooting Guide; Common Issues and Solutions

TROUBLE SHOOTING
9
Do not repair or disassemble the unit by yourself, unauthorized repair attempts will
invalidate the warranty and may cause bodily harm.
Trouble Reason Solution
The unit
does not
work
No power supply. Power-on and turn on the unit.
Water-full indicator illuminated. Drain the internal water tank.
Timer function is active. Cancel Timer function.
Room temperature too low or too high.
Use only in ambient temperatures between 7-40℃.
The unit
does not
seem to
perform.
In direct sunlight. Draw the curtains, UV affects RC.
Windows or doors open.
Large amount of people or a heat
source in the room.
Close windows and turn on another air conditioner.
Filter is very dirty. Clean or change the air filter
Air inlet or air outlet is blocked Clear out debris.
Room temperature is lower than setting
temperature.
Change the setting temperature.
The unit loud
The unit is not on a flat surface. Put the unit on flat and hard surface.
Compressor
does not
work
Overheating protection is active.
check venting.
Restart the unit after 5 minutes when compressor has
cooled.
Remote
control
doesn’t work
Operating distance is too far.
Move remote control closer to the unit and make
sure it aims at the air-outlet grille.
Control panel has not received the
signal from remote control.
The batteries are flat. Replace the batteries
E1 on LED Room temperature sensor is abnormal.
Temperature not within 5-40℃ operating range. If
temperature within operating range refer to Service
Centre.
(check room temperature sensor or relevant circuit)
E2 on LED Coil temperature sensor is abnormal.
Refer to Service Centre.
(check coil temperature sensor or relevant circuit)
OTHERS
Water tank is full inside the machine
Drain out water from drain port at bottom rear of
the unit.
Anti-freezing protection.
Waiting for defrosting.
Function will recover automatically. No user input
needed.
No refrigerant or there is very little
refrigerant.
Refer to Service Centre. (check leakage, wielding,
vacuum pump, charge refrigerant according to name
plate)
High pressure protection.
After inside gas pressure comes down, it will function
normally. No user input needed.
If the above solutions do not resolve the problem please contact the service centre.