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Problem
The unit is not
working
The unit starts and
stops frequently
Poor heating
performance
Indicator lamps
continue flashing
Error code appears in
the window display
of indoor unit:
E0, E1, E2...
P1, P2, P3...
F1, F2, F3...
NOTE: If your problem persists after performing the checks and diagnostics above, turn off your
unit immediately and contact an authorized service center.
Possible Causes
Power failure
The power is turned off
The fuse is burned out
Remote control batteries are
dead
The Unit' s 3-minute protection
has been activated
Timer is activated
There' s too much or too little
refrigerant in the system
Incompressible gas or
moisture has entered the
system.
The compressor is broken
The voltage is too high or too
low
The outdoor temperature is
lower than 7°C (44.5°F)
Cold air is entering through
doors and windows
Low refrigerant due to leak or
long-term use
The unit may stop operation or continue to run safely. If
the indicator lamps continue to flash or error codes appear,
wait for about 10 minutes. The problem may resolve itself.
If not, disconnect the power, then connect it again. Turn
the unit on.
If the problem persists, disconnect the power and contact
your nearest customer service center.
117
Solution
Wait for the power to be
restored
Turn on the power
Replace the fuse
Replace batteries
Wait three minutes after
restarting the unit
Turn timer off
Check for leaks and
recharge the system with
refrigerant.
Evacuate and recharge the
system with refrigerant
Replace the compressor
Install a manostat to
regulate the voltage
Use auxiliary heating
device
Make sure that all doors
and windows are closed
during use
Check for leaks, re-seal
if necessary and top off
refrigerant
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