Haier HBU-18HD03 User Manual - Page 17

Malfunction?

Page 17 highlights

Clean with soft and dry cloth. Care and Cleaning of the unit If it is very dirty, dissolve neutral detergent in the lukewarm water and make the cloth wet with the water. After wiping, clean off the detergent using clean water. Post-Season Care Operate the unit with FAN mode on a fair day for about half a day to dry the inside of the unit well. Stop operation and turn off the power supply switch. Electric power is consumed even the air conditioner is in stop. Clean the air filter and set it in the place. Pre-Season Care See that there are no obstacles blocking the air inlet and air outlet of both indoor and outoor units. Make sure that the air filter is not dirty. Cut in the power supply switch 12 hours before starting run. MALFUNCTION? Please check the following things about your air conditioner before making a service call. Unit fails to start Is the power source switch cut in? NO Power supply FFO switch is not ON. Is city supply power in nor- Isn't the signal receiving sec- Isn't the earth leakage mal? tion exposed to the direct sun- breaker in action? light or strong illumination? Power stoppage? siIdtangerousT.urnothfepowesruppyl swtichmi medai teylandcontacthesael s dealer. Cooling or heating is not sufficient Is the themostat adjust as Isn'ttheairfilterdirty? required? Isn't any doors or window Doesn't any obstacle exist left opened? at the air inlet or outlet? Suitable temperature Isn't the swing louver horizontal? (At HEATING mode) Isn't sun-shine invading di- rectly? If swing louver is horizontal, the blow wind does not reach floor. Cooling is not sufficient Isn't any unexpected heating load generated? Heatgenerated by machines Isn't the room much crowded? The wind does not blow during heating operation Isn't it warming up? 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. The fuse or breaker often shuts down. Water drops off during cooling operation. There is a irregularity in operation or abnormal sound which is audible. 16

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16
MALFUNCTION?
Care and Cleaning of the unit
Clean with soft and dry cloth.
If it is very dirty, dissolve neutral detergent in the lukewarm water and make the cloth wet with the water.
After wiping, clean off the detergent using clean water.
Post-Season Care
Operate the unit with FAN mode on a fair day for about half a day to dry the inside of the unit well.
Stop operation and turn off the power supply switch. Electric power is consumed even the air conditioner is in stop.
Clean the air filter and set it in the place.
Pre-Season Care
See that there are no obstacles blocking the air inlet and air outlet of both indoor and outoor units.
Make sure that the air filter is not dirty.
Cut in the power supply switch 12 hours before starting run.
Please check the following things about your air conditioner before making a service call.
Unit fails to start
Is the power source switch
cut in?
Is city supply power in nor-
mal?
Isn't the signal receiving sec-
tion exposed to the direct sun-
light or strong illumination?
Isn't the earth leakage
breaker in action?
It
i
s
dangerous.
Turn
of
the
power
supp
l
y
sw
i
tch
i
mmed
i
ate
l
y
and
contact
the
sa
l
es
dealer.
Cooling or heating is not sufficient
Is the themostat adjust as
required?
Isn't the air filter dirty?
Isn't any doors or window
left opened?
Doesn't any obstacle exist
at the air inlet or outlet?
Isn't the swing louver hori-
zontal? (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?
Cooling is not sufficient
Isn't sun-shine invading di-
rectly?
Isn't any unexpected heat-
ing load generated?
Isn't the room much crowd-
ed?
Heat
generated
by machines
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.
The fuse or breaker often shuts down.
Water drops off during cooling operation.
There is a irregularity in operation or abnormal sound which is audible.
Power
stoppage?
Suitable
temperature
O
N
O
F
F
Power supply
switch is not ON.