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7
please check the following things about your air conditioner before making a servie call.
MALFUNCTION
Flickering
F1
Note:
This unit has a function of automatic restart system after recovering power stoppage. Please contact
the sales dealer if it is not required.
Content
of defect
F2
The trouble
of the room
temp.sensor
F4
The trouble
of the pipe
temp. sensor
F5 F7
The trouble of
the outdoor
pipe temp.
sensor
E1
The trouble of
the overload
current
E2
E3
Unit fails to start
ON
OFF
Is the power source
switch adjust cut in?
Is city supply power in
normal?
Power
stoppage?
Isn't the signal receiving
section exposed to the
direct sunlight or strong
illumination?
Isn't the earth leakage
breaker in action?
It is dangerous. Turn off
the power supply switch
immediately and contact
the sales dealer.
Power supply switch is
not ON.
Cooling or heating is not sufficient
Is the thermostat adjust
as required?
Isn't the air filter dirty?
Isn't any doors or windows
left open?
Doesn't any obstacle
exist at the air inlet or
outlet?
Cooling is not sufficient
Isn't sun-shine invading
direct?
Isn't any unexpected
heating load generated?
Isn't the room much
crowded?
Isn't the swing louver
horizontal?
(At HEATING mode)
If swing louver is horizontal,
the blow wind does not reach
floor.
The wind does not blow
during heating operation
Isn't it warming up?
page 9
When the air conditioner does not operate properly after you have
checked the above mentioned items or when the following
phenomenon is observed, stop the operation of the air conditioner
and contact your sales dealer.
There is a irregularity in operation or abnormal sound is audible.
When the CHECK lamp flickers, an irregularity has occurred in the air conditioner.
The trouble of
the overload
heat
The fuse or breaker often shuts down.
Water drops off during cooling operation.
Flickering
E4
Content
of defect
E5
The trouble
of the comp.
too hot
E6 E7 E8
EA
EC
EE
E2PROM
bad
The trouble
of the
overload
cooliong
voltage too
high
singlechip
bad
The trouble of
the outdoor
room temp.
sensor
No load
The trouble of
the cooling ice
over
E0
The trouble
of the water
pump
The trouble
of
the indoor
and outdoor
comumication
The trouble
of the
module
The trouble
of
the wiring
controller
and outdoor
comumication