DURASTAR DR1H09D09, Руководство пользователя

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19
TROUBLESHOOTING
When troubles occurs, please check the following points before contacting a repair company.
PROBLEM POSSIBLE CAUSES SOLUTION
Poor cooling
performance
Temperature setting may be higher
than ambient room temperature
Lower the temperature setting
The heat exchanger on the indoor
or outdoor unit is dirty
Clean the affected heat exchanger
The air filter is dirty Remove the filter and clean it according
to instructions
The air inlet or outlet of either unit is
blocked
Turn the unit off, remove the obstruction
and turn it back on
Doors and windows are open Make sure that all doors and windows are
closed while operating the unit
Excessive heat is generated by
sunlight
Close windows and curtains during
periods of high heat or bright sunshine
Low refrigerant due to leak or long-
term use
Check for leaks, re-seal if necessary and
top off refrigerant
Too many sources of heat in
the room (people, computers,
electronics, etc.)
Reduce amount of heat sources
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
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
Indicator
lamps
continue
flashing or
error code
appears
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.