Haier BD-478A service manual

repeatedly.

change.

1.

The voltage is too high.

1.

Supplement a

stabilizer and

After short

2.

Over load protection unit is not good, it

jumps earlier.

adjust its value to rated.

time of

2.

Change

over

load

protection

3. Starter contacting point is adhered.

operation,

unit.

4.

There is short circuit in compressor.

over load

3.

Change starting relay.

5.

There is mechanical problem in the

protection

4.

Change compressor.

compressor.

unit cuts off

5.

Change compressor.

6. Temperature around compressor is too

high.

6.Increase heat radiation space.

1.

The floor is loose.

1.

Reinforce the floor.

2.

The freezer body is not stable and in

level.

2.

Make the freezer body stable.

3.

When

compressor

runs,

friction

3.

Move

the

tube

a little

away

to

Too

much

between tubes and freezer body causes

avoid friction.

resonance.

noise

when

4.

Compressor fixing screw is loose.

compressor

5.

The vibration absorption cushion for

4.

Make the screw tight.

runs

compressor fixing is too tight, or too

5.

Adjust

the

degree

of

tight

or

loose or ageing.

loose

of

vibration

absorption

6.

Compressor inside noise is too big or

cushion, or change cushion.

vibration

absorption suspending

spring

6.

Change compressor.

is broken.

There is no

1.

There is serious leakage of

1.

Check

leakage, make

welding

refrigerant.

repair, and fill refrigerant again.

frost at

2.

There is dirt blocked the capillary or

2.

Clean

the

capillary

or

change

evaporator

system.

filter.

Frost

at

1.

There is some leakage of refrigerant.

1.

Check

leakage,

make

welding

evaporator is

2.

There is dirt block, but not serious.

repair, and fill refrigerant again.

not full

3.

Refrigeration quantity of compressor

2Clean the capillary and filter.

is reduced.

3.Change compressor.

Evaporator

frosts too

1.

Please let or make food dry

rapid, frost

1.

Food put into freezer contains water.

after cleaning, then store it.

layer too thick

2.

Too much food has been stored.

2.

Store only corrects quantity of

or frozen to

food.

ice

Electricity

1.

Freezer body has not been connected

1.

Make the ground connection as

leakage

of

to the ground.

stipulated.

2.

Change compressor.

freezer

body,

2. The compressor terminal contacts body

by

step,

if

you

will

feel

shell and causes short circuit.

3.

Check

carefully

step

insulation

is

seriously

damaged,

tingle

when

3.

When the components of electrical

touching

by

system

get

wet, insulation ability is

please change; remove wet parts

hand

dropped, electricity leaks.

and put

them

into

drying

box

to

make them dry.

Electricity

1.

Environment temperature too high or

1.

Change fan.

insulation ability of insulator is dropped.

leakage

of

2.

There

is

short circuit

between fan

fan

coils or the fan coil is burned.

2.Change fan.

1.

The blade of fan is blocked or fan

1.

Clear obstacles around the fan

Fan too noisy

supporter is loose.

or tighten the supporter.

2.

The clearance of fan axle is too big.

2.

Change the fan.

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