Error-detecting code
E1
E2
E4
The following table lists the common faults and maintenance methods of this series of portable
A/C. When the machine is in abnormal operation, the following
table can be used for simple diagnosis and maintenance. If it still can not be solved, please contact
professional maintenance personnel.
TROUBLE
No display
The display "panel"displays "FL"
The A/C
doesn‟t work
Time OFF function is started
Direct sunlight
Doors and windows keep open; there
The A/C
are lots of people or heat source in
starts frequently
room
Filter screen is very dirty
Air inlet or air outlet is blocked
Big noise of
The A/C is placed unevenly
the A/C
The compressor
Its delay protection is started
doesn‟t work
Common Failures and Diagnosis
Intelligent Error Detection
Multi-functional defection
Error of the coil‟s temperature sensor
Error of indoor temperature sensor
Anti-freezing protection: temperature of the coil is too low and the whole A/C is
off. When temperature excesses 8℃ ,the protection is released and previous
working state is recovered.
TROUBLE-SHOOTING
CAUSE
Reset circuit breaker on AC cord
Restart the A/C after power off and
draining, then it will become normal
The A/C can be restarted 3 minutes
after being turning off
Draw the curtain
Close doors and windows,
remove heat source
Clean or replace it
Remove the stem
Place it at even and firm ground, avoid
shaking
Wait for 3min, turn on after
temperature decreases
18
SOLUTION