Trouble Shooting; Troubleshooting - NOBOCOOL NC-42CP User Manual

TROUBLE SHOOTING

Before seeking repair or service, please check the following.
PROBLEM
No power to Air Conditioner
Power to Air Conditioner, but unit
does not operate.
Air Conditioner does not cool
after turning on.
The compressor and fan has stopped.
Air Conditioner not cooling
satisfactorily.
Air Conditioner vibrates.
Lt/PF/Ft appears on the display.
Note: In COOLING MODE, the compressor is switched on when cooled air comes out of the air outlet and the
compressor light on the control panel is illuminated. In DRY MODE, the compressor operates continuously and
compressor light is permanently illuminated.
CHECK
•
Is A/C plugged into power supply
outlet?
•
Has fuse blown (circuit breaker
switched off) or A/C switched off?
•
Is timer on?
•
Is compressor light illuminated?
•
Is "Ft" displayed on LCD?
•
Has the temperature been set low
enough?
•
Air exhaust hose blocked?
•
Air exhaust hose bent over?
•
Standard air exhaust hose has been
extended longer than 1.5m?
•
Air exhaust hose detached?
•
Window/door opened?
•
Air inlet/outlet blocked?
•
Air filters dirty?
•
Fan speed set at low?
•
Cooling power not enough for the
conditions of area or room?
•
Is it leaning or unbalanced?
•
See self-diagnosis section
16
ACTION
•
Insert power plug securely into
power supply outlet and turn
power on
•
Turn A/C off, replace fuse wire
(or turn on circuit breaker), turn
A/C back on
•
Wait for timer to count down or
cancel timer setting by pressing
TIMER button
•
Wait 3 minutes from turning on,
safety device prevents compressor
(which provides cooling) being
turned on for about 3 minutes.
•
Drain water
•
Reduce Temperature setting
•
Clear blockage
•
Always keep the hose at its
shortest length and as straight as
possible
•
Remove extension, always keep
standard hose length less than
1.5 metres
•
Connect the hose
•
Close the windows/doors to
room being cooled
•
Clear blockage
•
Clean air filter
•
Set suitable higher speed
•
Ensure A/C is suitable for
conditions of area and room
•
Place on level floor
NOBOCOOL NC-42CP/C