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SERVICE MANUAL
Model: HRFZ-250DAA
17
Issue 2012-4-9
Rev. Ref0911S006V0
There is noise
when
the
compressor
running
1. The fridge body is not stable and in level.
2. When the compressor is running ,there is
friction in tube and fridge that lead to
syntony.
3. Compressor fixed screw is too loose
4. The damping washer fixed too tight or
loose or ageing
1. Make the refrigerator stable
(adjust the feet)
2. Move the tube and avoid the
friction (the distance between
tube and tube ,evaporating
dish and side cabinet is more
than 1cm)
3. Fasten the screw
4. Adjust the fixed angle or
change the damping washer
There is no
frost on
evaporator
1. The refrigerant leakage
2. There is ice block or dirty block in the
capillary or the system.
1. Check and find the leakage point,
let out the refrigerant, then meld it
and vacuumed and fill the
refrigerant again.
2. Clean the system with blowing
nitrogen, change the capillary and
vacuum and fill the refrigerant
again.
The
thermostat is
out of order
1. The internal temperature feeling medium
of the thermostat leakage
2. The temperature parameter drift
Change the thermostat
No frosting
1. The door gasket flashed and lead to the
cold air out of the fridge
2. The knob of thermostat is set too high
1. Use the blower to repair the door
gasket (The distance between the
blower air out and the door gasket
is more than 20cm. Do not touch
the door gasket with our hand .And
when blowing the door gasket, pat
the door lightly with our hands.)
2. Change the thermostat (the
method as up saying)
No cooling
1.The refrigerant leakage
2.The knob of thermostat is set too low
1. Check and make sure whether
there is leakage, and find the
leakage point, let out the
refrigerant, then meld it and
vacuumed and fill the refrigerant
again.
2. Adjust the thermostat
