Schneider Airsystems A202002, Original Operating Manual

Page: 28 / 68

II/12
UNM Base / CPM Base
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.
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. 2.6.9)
Check valve is damaged

Replace
H Compressor
switches on fre-
quently.
Excessive condensate in the
pressure tank.

Drain the condensate (see
Chap. 2.6.3).
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, con-
tact 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, reme-
dy error
V-belt sags

Tighten the V-belt (see
Chap. 2.6.8)
Problem Cause Remedy