Wolpertech WT-335/10/50 Mode D'emploi D'origine page 31

Failure removal
Failures
Compressor not starting after being
switched on
After reaching the closed pressure,
the compressor runs or buzzes for
a short time and then switches off
automatically
Compressor running constantly
Compressed air is released from the
discharge valve under the pressure
switch when the appliance is being
operated
After reaching the cut-off pressure,
air is released from the discharge
valve under the pressure switch
until the closing pressure is reached
Compressor gets started too often
Safety valve blowing off
Compressor getting warm too
much
Compressor being overheated and
keeps switching off
Causes
Pressure in the air jet exceeds the
closing pressure
Defective supply
Defective pressure switch
Electric cable is too long or its cross
section is too small
Suction filter is very dirty
Pneumatic tools have high air
consumption
Leaking on the compressor
Compressed-air pipeline leaking
Drain valve is open or missing
Discharge valve is leaking
Check valve insert is leaking or
defective
Check valve is damaged
Too much condensate in the air jet
Compressor is overloaded
Pressure in the air jet exceeds the set
cut-off pressure
Safety valve is defective
Air supply is not sufficient
Cooling fins on the cylinder (cylinder
head) are dirty
Too long time of appliance operation Switch the compressor off
Compressor is overloaded
Compressor is defective
Compressor under undervoltage
Outdoor temperature of 35°C
Removal
Release the pressure in the air jet so
that the pressure switch gets automa-
tically switched on
Have the current supply checked by
an authorised person
Have the pressure switch replaced by
an authorised person (Güde service
centre)
Check the length and cross section of
the electric cable
Clean or replace the suction filter
Check the pneumatic tool air
consumption; seek an authorised
compressed air dealer
Localise the leaking, contact the Güde
service centre
Contact the Güde service centre
Close or insert the drain valve
Clean or replace the discharge valve
Clean or replace the check valve insert
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Replace the check valve
Drain the condensate
Have the pressure switch adjusted/re-
placed by an authorised person (Güde
service centre)
Replace the safety valve or contact
the Güde service centre
Make sure sufficient air supply and
outlet (minimum distance from wall is
40 cm) is provided
Clean the cooling fins on the cylinder
(cylinder head)
Contact the Güde service centre
Contact the Güde service centre
Contact the Güde service centre
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