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Common Failure and their Diagnostics
Intelligent Failure Detection
Breakdown Maintenance
Problem
Possible cause
Solution
Conditioner
does not work
No power
Power on
Screen displays FL
Re-start and put back to normal after
power-cut and drainage
Off-timer function is activated
Restart after it being turned off 3
minutes
The
refrigeration
effect of the
conditioner is
not good
Direct sunlight
Pull curtains
Close the doors and windows, and
remove the heat source
Dirty filter screen
Clean or replace the filter screen
Air inlet or outlet is blocked
Remove the blockage
The conditioner
noise is too big
Place on a flat and solid surface, and try
avoid shaking
Compressor does
not work
Compressor delay protection
has been activated
P
art of the Technical Parameters of the Machine
Fuse Parameters
Specification: 5*20mm
Voltage: 250VAC
Current: 3.15A
Detecting
code
Multi-function testing
E1 Coil temperature sensor failure
E2 Indoor temperature sensor failure
E4
Anti-freeze protection: when the coil temperature is below 0°C, the whole
machine will stop. When the coil temperature rose to 8°C or more, the
protection will leave, and it will restore to its original work state.
Φ
The following table lists the common failures and maintenance methods of the series
of portable air conditioners. When the machine run abnormally, the following table
can be a simple diagnose and repair prescription. If it still cannot be solved, contact
the service centre.
Doors and windows are open,
or heat source.
The machine is not placed
flat
Wait 3 minutes, and restart the
machine when its temperature is
reduced
20


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