Bedienungsanleitung Kaysun Amazon IV HR - K3F (Seite 9 von 12) (Englisch)

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7.2 Fault Symptom: Non Air

Conditioning Issues

The following fault symptoms are not caused by the air

conditioning:

7.2.1 Fault symptom: System cannot run

Air conditioner does not start immediately after pressing

the switch button on the controller. If the operating

indicator lights up, the system is working normally. In

order to prevent overloading of the compressor motor,

restart the air conditioner 12 minutes after the switch

button is pressed to prevent it from shutting down

immediately after it is on. The same start-up delay

occurs after the mode selector is pressed.

7.2.2 Fault symptom: Fan speed is not

consistent with the setting

Even if the fan speed regulation button is pressed,

the fan speed does not change. During heating, when

the indoor temperature reaches the set temperature,

the outdoor unit will shut down, and the indoor unit

switches to the quiet fan speed mode. This is to prevent

cold air from blowing directly at the room user. The fan

speed will not change even when another indoor unit is

in heating operation, if the button is pressed.

7.2.3 Fault symptom: Fan direction is not

consistent with the setting

The air direction is not consistent with the user

interface display. The air direction does not swing.

This is because the unit is controlled by the centralized

controller.

7.2.4 Fault symptom: White smoke from

a certain unit (indoor unit)

During cooling when the humidity is high. If the

interior pollution of the indoor unit is severe, the

indoor temperature distribution will be uneven. Need

to clean the interior of the indoor unit. Ask the agent

for detailed information on how to clean the unit. This

operation must be carried out by qualied maintenance

personnel.

Surface immediately after cooling has stopped and

when the indoor humidity is relatively low. This is due to

the steam produced by the warm refrigerant gas on its

return path to the indoor unit.

7.2.5 Fault symptom: White smoke from

a certain unit (indoor unit, outdoor

unit)

After the defrosting operation, switch the system to the

heating mode. The moisture produced by the defrosting

operation will become steam to be discharged out of

the system.

7.2.6 Fault symptom: Noise from air

conditioner (indoor unit)

A "zeen" sound is heard the moment the system is

powered on. This noise is produced by the electronic

expansion valves inside the indoor unit as they begin

to work. The sound volume will be reduced in about 1

minute.

A soft and continuous "shah" sound can be heard

when the system is in a cooling mode or has stopped

running. This noise can be heard when the drainage

pump is running (optional accessory).

A loud creaking "pishi-pishi" sound can be heard once

the system stops after it has heated up the room. The

expansion and contraction of plastic parts caused by

temperature changes will also make this noise.

Once the indoor unit stops, a soft "sah" or "choro-choro"

sound can be heard. This noise can be heard when

another indoor unit is still running. Must maintain a small

amount of refrigerant ow in order to prevent oil and

refrigerant residues in the system.

7.2.7 Fault symptom: Noise from air

conditioner (indoor unit, outdoor

unit)

A soft, continuous hissing sound can be heard when the

system is in cooling or defrosting operation. This is the

sound of the refrigerant gas owing in the indoor and

outdoor units.

A hissing sound is heard the moment the system starts

or stops operation or after the defrosting operation has

been completed. This is the noise produced when the

refrigerant ow is stopped or changed.

7.2.8 Fault symptom: Noise from air

conditioner (outdoor unit)

When the tone of the operating noise changes. This

noise is caused by frequency changes.

7.2.9 Fault symptom: Dust and dirt in the

unit

When using the unit for the rst time. This is because

there is dust inside the unit.

7.2.10 Fault symptom: Strange odour from

unit

This unit will absorb the odours of rooms, furniture,

cigarettes and others, and then disperse the odours

again.

Small animals stray into the unit, which can also cause

odors.

7.2.11 Fault symptom: ODU fan does not

run

In the course of operation. Control speed of fan motor to

optimize the product operations.

7.2.12 Fault symptom: Hot air is felt when

the indoor unit stops

IDifferent types of indoor units operating in the same

system. When another unit is running, part of the

refrigerant will still ow through this unit.

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