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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.
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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.
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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