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Problem
Possible Causes
Solution
Power failure
Wait for the power to be restored
The power is turned off
Turn on the power
The fuse is burned out
Replace the fuse
The unit is not
working
Remote control batteries are dead
Replace batteries
The Unit’s 3-minute protection
has been activated
Wait three minutes after restarting
the unit
Timer is activated
Turn timer off
There’s too much or too little
refrigerant in the system
Check for leaks and recharge the
system with refrigerant.
The unit starts and
stops frequently
Incompressible gas or moisture
has entered the system.
Evacuate and recharge the system
with refrigerant
The compressor is broken
Replace the compressor
The voltage is too high or
too low
Install a manostat to regulate the
voltage
Troubleshooting
The outdoor temperature is
extremely low
Use auxiliary heating device
Poor heating
performance
Cold air is entering through
doors and windows
Make sure that all doors and
windows are closed during use
Low refrigerant due to leak or
long-term use
Check for leaks, re-seal if necessary
and top off refrigerant
Indicator lamps
continue flashing
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.
•
Error code appears and
begins with the letters
as the following in the
window display of
indoor unit:
E(x), P(x), F(x)
EH(xx), EL(xx), EC(xx)
PH(xx), PL(xx), PC(xx)
•
•
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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