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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 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)
•
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.
System circuit is blocked
The compressor is broken
The voltage is too high or
too low
The outdoor temperature is
extremely low
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
Contact a professional technician directly to repair
the fuse
Replace batteries
Wait three minutes after restarting
the unit
Turn timer off
Contact a professional technician directly to repair
Contact a professional technician directly to repair
Contact a professional technician directly to repair
Contact a professional technician directly to repair
Install a manostat to regulate the
voltage
Use auxiliary heating device
Make sure that all doors and
windows are closed during use
Contact a professional technician directly to repair
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