Troubleshooting - HOMCOM 823-005V70 Owner's Manual

Symptom
✓ Check the power
The unit is
✓ Check if the water level
not
operating.
✓ Check the room
✓ Check the air filter for dirt.
✓ Check if the air duct is
The unit
✓ Check if the room door or
works with
✓ Check if the desired
reduced
capacity.
✓ The exhaust hose is
✓ Overflow while moving the
Water
✓ Check if the drain hose is
Leakage
✓ Check if the unit is securely
Excessive
✓ Check if any loose,
Noise
✓ Noise sounds like water
✓ Communication faults
E0
✓ Ambient temperature
E1
Error
Codes
✓ Coil temperature sensor
E2
✓ Condensate water high
Ft
Inspection
connection in securely.
indicator lights up?
temperature.
blocked.
window is open.
operating mode is selected
and the temperature is
properly set.
detached.
unit.
kinked or bends.
positioned.
vibrating parts.
flowing.
between main PCB and
display PCB.
sensor failure
failures.
level alarm.

7. TROUBLESHOOTING

➢ Insert the power cord
securely into the wall Outlet.
➢ Empty the drain pan by
remove the rubber plug.
➢ The range of operating
temperature is 5-35℃.
➢ Clean the air filter as
necessary.
➢ To clear the obstacle.
➢ Keep the door and windows
closed.
➢ Set the mode and
temperature at proper set-
point according the manual.
➢ (refer to page16)
➢ Make sure the exhaust hose is
securely attached.
➢ Empty the water tank before
transport.
➢ Straighten the hose to avoid a
trap existing.
➢ Place the unit on horizontal
and firm ground.
➢ Secure and tight the parts.
➢ Noise comes from flowing
refrigerant. This is normal.
➢ Check the wire harness of the
display PCB for damage.
➢ Check connection or replace
it. To clean or replace the
temperature sensor.
➢ Check connection or replace
it. To clean or replace the
temperature sensor.
➢ Empty the drain pan by
removal the rubber plug.
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Solution