Haier AD122AMBHA Malfunction, Unit fails to start, Cooling or heating is not sufficient

Page 8
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

MALFUNCTION

please check the following things about your air conditioner before making a servie call.

Unit fails to start

Is the power source

Is city supply power in

Isn't the signal receiving

Isn't the earth leakage

switch adjust cut in?

normal?

section exposed to the

breaker in action?

 

 

direct sunlight or strong

 

ON

 

illumination?

It is dangerous. Turn off

 

 

OFF

Power

 

the power supply switch

Power supply switch is

stoppage?

 

immediately and contact

 

 

 

 

the sales dealer.

not ON.

 

 

 

 

 

Cooling or heating is not sufficient

Isn't the air filter dirty?

Isn't any doors or windows

Doesn't any obstacle

Is the thermostat adjust

left open?

exist at the air inlet or

as required?

 

outlet?

 

 

 

 

 

Cooling is not sufficient

Isn't sun-shine invading Isn't any unexpected

direct?

heating load generated?

Isn't the room much crowded?

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 is audible.

When the CHECK lamp flickers, an irregularity has occurred in the air conditioner.

Flickering

F1

F2

F4

F5

F7

E1

E2

E3

 

 

 

 

 

 

 

 

 

Content

The trouble

The trouble

The trouble of

The trouble of

The trouble of

The trouble

 

The trouble of

the wiring

 

 

the indoor

of defect

of the room

of the pipe

the overload

the cooling ice

controller

of the

No load

and outdoor

 

temp.sensor

temp. sensor

heat

over

and outdoor

module

 

comumication

 

 

 

 

 

comumication

 

 

 

 

 

 

 

 

 

 

 

 

Flickering

E4

E5

E6

E7

E8

E0

EA

EC

EE

 

 

 

 

 

 

 

 

 

 

Content

The trouble

The trouble of

The trouble of

The trouble of

singlechip

The trouble

voltage too

The trouble

E2PROM

of defect

of the comp.

the overload

the outdoor

the outdoor

bad

of the water

high

of the

bad

room temp.

pipe temp.

 

too hot

current

 

pump

 

overload

 

 

 

 

sensor

sensor

 

 

 

cooliong

 

 

 

 

 

 

 

 

 

 

 

Note:

This unit has a function of automatic restart system after recovering power stoppage. Please contact the sales dealer if it is not required.

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Contents Duct Type AIR Conditioning Table of Contents Disposal of the old air conditioner Safety Precautions Bodily injury could result by a collapseDo not operate the system while Applicable ambient temperature range Machine is adaptive in following situationParts and Functions Malfunction Unit fails to startCooling or heating is not sufficient Cooling is not sufficientFollowings are not malfunction Shuru ShuruCare and Maintenance Points to observeWhen heating is started HOT KEEPis operated in the following casesInstallation Manual for Outdoor Unit Installation placeOpen space requirement around the unit Installation where the area with strong windsInstallation Precautions for refrigerant piping Outline pipingPiping size Piping connectionPurging method the refrigerant is R407C To use vacuum pumpInstallation Manual for Indoor Unit Avoid installation and use at those places listed below Preparation of indoor unitFigure of installation dimension unit mm Preparation for suspending the unitNew cement panel Install the hoisting screwWood structure Original cement panel Steel structureSuspending of indoor unit RequirementsConnection of refrigerant pipe Perform with two spanners Confirm drainagePermitted length and fall of connection pipe Installation Manual for Electric Wiring Electric wiringInstallation Manual for Wire Controller Check and Test RUN Set of the air sending of the fan motor

HDU-12HA03/M(R1)(B), HDU-09HA03/M(R1)(B), AD092AMBHA, AD122AMBHA, AU122AABHA specifications

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