7
NOTE the water vapour mass dry air is one of the main points
influencing the performance and the energy consumption of the
cabinets. Therefore, the order of the climate class in the
based on the water vapour mass column. See also Annex B to compare
lab and store conditions.
iv.Common faults and troubleshooting methods
Fault
The indicator is not
on. The compressor
doses not start.
The indicator is
on ,but the
compressor doesn't
work and buzzes
only
The compressor
stops a minute after
start,and restart
after a few
minuters,and so
repeatedly.
The compressor
works normally,but
the temperature in
the cabinet lowers
too slowly.
35
reason
The plug isn't connected
to the socket really.
no power
The power voltage is too
low.
The power voltage is too
high.
The door is opened too
frequently.
The food in the cabinet
is too much,and placed
improperly.
The frost film is too thick. Take out foods
The surface of the
75
30.0
- 6 -
27.3
table is
Method of exclusion
Replug it.
Connect the socket
with power.
Put a power-regulater
more than 1000W
power together.
Reduce open times.
Place foods properly
keep place between
them for
ventilation of cold air.
Stop and clean the