II/12
UNM / CPM / ZPM
GB
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-
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.
E Compressor runs
continuously
Intake filter badly contami-
nated
Clean or replace
Air consumption of compressed
air tools is too high
Check air consumption. Contact
the service partner
Leakage at compressor
Locate leak, contact service part-
ner
Excessive condensate in the
tank
Drain the condensate (see
Chap. 2.6.5)
Compressed air line leaky
Check the compressed air net-
work, seal leak
Condensate drain valve is open
or missing
Close or replace
F Load-relieving valve
is blowing off
Load-relieving valve leaky
Clean or replace
G Switch-off pressure
reached: load-
relieving valve
blows off until
switch-on pressure
is reached
Check valve insert leaky or
defective
Clean or replace (see
Chap. 2.6.11)
Check valve is damaged
Replace
H Compressor
switches on fre-
quently.
Excessive condensate in the
pressure tank.
Drain the condensate (see
Chap. 2.6.5).
Compressor overloaded.
See item E
I Safety valve blows
out.
Vessel pressure is higher than
the set switch-off pressure.
Have the pressure switch reset/
replaced by a qualified person.
Safety valve is defective
Replace or contact service part-
ner
J Compressor over-
heats.
Air supply not sufficient.
Ensure sufficient ventilation.
Cooling fins on cylinder (cylin-
der head) contaminated
Clean
Duty cycle too long.
Switch off compressor.
K Oil-lubricated com-
pressor: the oil
level rises without
oil having been
added
Condensate collects in the oil
Compressor is too large, contact
service partner
High humidity.
Change oil.
L V-belt driven com-
pressor: unusual
running noises
V-belt or belt disc is scraping
against belt guard grating
Look for point of contact, remedy
error
V-belt sags
Tighten the V-belt (see
Chap. 2.6.10)
Problem
Cause
Remedy
Summary of Contents for Universal 170-25 W
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