Bosch B22CS50SNW-01 - Page 34

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Complaint
Tests
Default
Action
No or too low
cooling power.
Compressor runs
permanently.
Look for leakages in the
refrigeration cycle.
Change of compressor only in case of a
leakage on the low pressure side
Missing / inadequate air
ventilation
Check back pressure at the
compressor.
Ca. 0,4 –
0,6 bar in the steady state
condition.
Change of compressor only in case of a
missing back pressure (no pressure drop
during operation can be noticed)
In case of a low back pressure (<0,3 bar):
Lack of refrigerant or cycle blocked.
Complaint
Tests
Default
Action
Noise
Close tubes
Bend the tubes carefully
The compressor contacts the
housing
Check the compressor mounting
The compressor activates
refrigeration cycle parts.
Dampen the tubes (abolish vibrations at the
tubes) or tie them down
The compressor knocks
when starting or running out.
Check the compressor mounting -
change of compressor
The compressor rings or
rattles
In case of abnormal noise – change of
compressor