TROUBLESHOOTING
Before getting service, please check the following::
Unit does not operate or
only runs in fan mode
Air cooling is not
efficient.
The unit starts and stops
frequently, or frequently
blows fuses or trips the
circuit breaker.
PROBLEM
POSSIBLE CAUSE
SOLUTION
Is the unit plugged in?
Is the main power supply on?
Is there a power failure ?
Is the timer on ? (some models)
Is the airflow restricted ?
Is the exhaust control set to
OPEN ? (some models )
Is there any other heat source in the
room?
Are the air filters dirty?
Is the set temperature suitable ?
Is the fan speed set at LOW or
the unit set at POWER SAVER ?
Is the unit capacity adequate ?
Is the unit freezing up
(ice blocking the airflow)?
Is the outdoor temperature
within the unit working range ?
Is the power source voltage
properly rated?
Securely plug the power
cord into the wall outlet.
Re-establish the main power
supply.
Wait for power to restore. When
power is back, wait 3 minutes before
starting the unit.
Change time settings.
Clear out the air inlets and
outlets (curtains, blinds, etc.).
Close or move the heat source.
Clean the air filters.
Change set temperature.
Increase the fan speed or change
the unit mode.
Refer to the unit rating plate and
modify power source according.
14
Set the exhaust control to
CLOSED.
Check the room cooling chart in
this user’s guide (p.15).
The internal evaporator and
outside condenser coils look dirty or
obstructed by debris.
Call SUNRISE TRADEX
Customer Service.
Water drips from unit into
the house
Is the unit correctly installed and
properly leveled ?
Is the unit plugged alone or
connected to an extension cord?
Make sure that there is no other
appliance plugged on the same circuit
nor connected to an extension cord.
*Never drill a hole in the bottom of the metal base and condensate pan. This would void warranty of the unit.
Set highest fan speed and coolest
temperature and wait for frost to
melt.
The unit will not operate properly
when the outside temperature is
below 18
o
C (65
o
F).
The unit should slope slightly
downward the outside (half a bubble
on the level). Reposition or shim
the unit if necessary.*