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2 Fan noise
1>.
When the fans are running , the vanes are circumrotating rapidly and the air flows, which
will cause steady and standard noise. The noise should not exceed 32dB and it is normal.
2
>.
If the noise is extremely high and abnormal, replace the default fan please.
(→
6.1.5
)
7.6.
Refrigerant jet noise
Default: There is continuous noise like a water spray from the capillary.
Reason: The end of the capillary is in the wrong position, or there are rough edges on the end
of the capillary
Solution:
1>. Remove the evaporator
(→
6.1.3
)
, h
eat the soldered joint of the capillary
(
Fig.7
)
, then
remove the capillary from the evaporator and smooth the end with an eraser.
(Caution: do not allow any particles into capillary unit).
2>.
Replace the capillary into the evaporator, then solder it back into the correct position
(not exceeding 15mm in the evaporator) and pack the joint with anti vibration
compound
3>.
Recharge with refrigerant.
(→
7.3
)
7.7.
Capillary vibration noise
Default: high frequency impact noise in capillary Zone.
Caused by either reason below:
1>.
The capillary being insert too deep into the evaporator, so when the refrigerant is
Jetting, the end of vibrating capillary will hit the inside of the evaporator.
2>.
Vibration from the capillary touching the inside of the cabinet or air duct board, then
when refrigerant is jetting.
Solutions:
1>. Refer to
(→
7.6
)
2>. If the capillary touch the inner cabinet and the air duct panel, adjust the position of the
capillary and add the incabloc plastic.
7.8.
Oil jammed noise
Fault: intermittent and deep jet noise coming from inside of the capillary.
Cause: Compressor oil flowing into the cooling system pipe work probably due to the
capillary slightly out of alignment during transportation
Solution: Clean the cooling system pipe, vacuumize it and recharge with refrigerant see
(→
7.3
)
7.9.
Evaporator freezing.
Because the door seal is not air-proof, or the door is not closed well, cause much water fill in
the cabinet, and the water got frozen when it encounter the cold air, sometimes the ice is too
thick, and it will block the fan or broken the fan.
The solution:
1 >.
Replace the door seal or close the door well. If the door seal is slightly not air-proof, it
can be repaired by the heat dryer.
Содержание WC6218
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