netta 103893, User Instruction

Page: 21 / 24

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
E
0
✓ Communication faults
between main PCB and
display PCB.
➢
Check the wire harness of
the display PCB for
damage.
E
1
✓ Ambient temperature
sensor failure.
➢ Check connection or
replace it. To clean or
replace the temperature
sensor.
E
2
✓ 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.