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GB
UNM Clean - OF
Problem
F Solenoid
valve
blows
off
devices
without
membrane dryer)
G Switch-off pressure
reached:
solenoid
valve blows off until
switch-on pressure
is
reached
devices without a
membrane dryer)
H Compressor
switches
on
quently.
I
Safety valve blows
out.
J
Compressor
over-
heats.
2.9 Warranty
Basic principle: complete unit in original
condition / proof of purchase.
Material and production defects are covered
by statutory provisions.
Excluded warranty claims: Wear/consum-
able parts; improper use; overload; manipu-
II/12
Cause
Solenoid valve leaky
(only
Check valve insert leaky or
defective
Check valve is damaged
(only
Large quantity of condensate in
fre-
the
pressure
devices without a membrane
dryer)
Compressor overloaded.
Vessel pressure is higher than
the set switch-off pressure.
Safety valve is defective
Air supply not sufficient.
Cooling fins on cylinder (cylin-
der head) contaminated
Duty cycle too long.
Remedy
Replace or contact service part-
ner
Clean
Chap. 2.6.9)
Replace
Drain
vessel
(only
Chap. 2.6.6)
See item E
Have the pressure switch reset/
replaced by a qualified person.
Replace or contact service part-
ner
Ensure sufficient ventilation.
Clean
Switch off compressor.
lation/use for other than intended use;
insufficient/incorrect/no maintenance; accu-
mulation of dust/dirt; incorrect/impermissi-
ble work methods; failure to observe the
Instruction Manual; incorrect processing/
working materials; incorrect electrical con-
nection; improper installation.
or
replace
the
condensate
(see
(see
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