
Page 19
Tr
oubleshooting
Problem
Possible Causes
Solution
The unit is not
working
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
Wired controller batteries are
dead
Replace battery
The Unit’s 3-minute protection
has been activated
Wait three minutes after restarting
the unit
The unit starts and
stops frequently
There’s too much or too little
refrigerant in the system
Check for leaks and recharge the
system with refrigerant.
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
Poor heating
performance
The outdoor temperature is
extremely low
Use auxiliary heating device
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
System circuit is blocked
Determine which circuit is blocked and
replace the malfunctioning piece of
equipment
NOTE:
If problem persists, contact a local dealer or your nearest customer service center. Provide
them with a detailed description of the unit malfunction as well as your model number.
Troubleshooting
When troubles occur, please check the following points before contacting a repair company.
Содержание KHHP-BI
Страница 45: ......