HOMCOM 823- 005V92, Owner'S Manual

Page: 29 / 143

29
7. TROUBLESHOOTING
Symptom Inspection Solution
The unit is
not
operating.
✓
Check the power
connection in securely
.
➢
Insert the power cord
securely into the wall Outlet.
✓
Check if the water level
indicator lights up?
➢
Empty the drain pan by
remove the rubber plug.
✓
Check the room
temperature.
➢
The range of operating
temperature is 5-35
℃
.
The unit
works with
reduced
capacity.
✓
Check the air filter for dirt.
➢
Clean the air filter as
necessary.
✓
Check if the air duct is
blocked.
➢
To clear the obstacle.
✓
Check if the room door or
window is open.
➢
Keep the door and windows
closed.
✓
Check if the desired
operating mode is selected
and the temperature is
properly set.
➢
Set the mode and
temperature at proper set-
point according the manual.
➢
(refer to page16)
✓
The exhaust hose is
detached.
➢
Make sure the exhaust hose is
securely attached.
Water
Leakage
✓
Overflow while moving the
unit.
➢
Empty the water tank before
transport.
✓
Check if the drain hose is
kinked or bends.
➢
Straighten the hose to avoid a
trap existing.
Excessive
Noise
✓
Check if the unit is securely
positioned.
➢
Place the unit on horizontal
and firm ground.
✓
Check if any loose,
vibrating parts.
➢
Secure and tight the parts.
✓
Noise sounds like water
flowing.
➢
Noise comes from flowing
refrigerant. This is normal.
Error
Codes
E0
✓
Communication faults
between main PCB and
display PCB.
➢
Check the wire harness of the
display PCB for damage.
E1
✓
Ambient temperature
sensor failure
➢
Check connection or replace
it. To clean or replace the
temperature sensor.
E2
✓
Coil temperature sensor
failures.
➢
Check connection or replace
it. To clean or replace the
temperature sensor.
Ft
✓
Condensate water high
level alarm.
➢
Empty the drain pan by
removal the rubber plug.