GE PTV15SAMR, Техническое руководство по обслуживанию

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Page 34
IX. FAILURE DIAGNOSIS
5. Unusual Noise
Unusual noise during the
compressor running in the
mechanical room.
Is the ground horizontally flat? Adjust by the adjusting foot.
No Yes
Adjust the location of counter-
weight
If all the piping in the
mechanical room are
resonant.
If the mechanical piping being
slanted or contacted.
Be properly adjusted.
Yes
Yes
No
Yes
Inspect the vibration of
compressor and adjust the
rubber pad to reduce
vibration.
Change the storage method
of the food.
Yes
No
If any unusual noise of the fan
(upon opening the door)?
Check if the fan is contacting
EV cover or the grate.
Press down the fan to the end
to confirm that the fan will not
contact the grate.
Yes
Yes
Inspect the assembly of fan
and grate and adjust it to
create air tightness with the
inner case.
No
Unusual noise in D meter
No unusual noise
Open the electrical case and
replace new D meter.