Schneider Airsystems PEM 500-15-50 B, Original Operating Manual

Page: 33 / 78

PEM
II/13
GB
B Compressor runs
continuously during
the loading phase
Intake filter badly clogged.
X
Clean or replace intake filter.
Air consumption of compressed
air tools is too high.
X
Check the air consumption of the
tools. Contact the service partner
Compressor leaking.
X
Locate leak, contact service part-
ner.
Excessive condensate in the
vessel.
X
Drain the condensate (see
Chap. 2.6.5).
Compressed air line leaky:
X
Check compressed air line, plug
leak.
Condensate drain valve is open
or missing.
X
Close or replace.
C At a standstill, com-
pressed air escapes
from the idle speed
control or overflow
valve
Idle speed control or overflow
valve leaking or faulty
X
Clean or replace the idle speed
control or overflow valve
D Compressor fre-
quently switches
between loading
and idle phase
Excessive condensate in the
pressure vessel.
X
Drain the condensate (see
Chap. 2.6.5).
Idle speed control or overflow
valve faulty or incorrectly
adjusted
X
Replace the idle speed control or
overflow valve or have adjusted
by Schneider Airsystems Service
E Safety valve blows
out.
Vessel pressure is higher than
the preset switch-off pressure.
X
Replace the idle speed control or
overflow valve or have adjusted
by Schneider Airsystems Service
Safety valve is defective.
X
Replace safety valve or contact
service partner.
F Compressor over-
heats.
Air supply not sufficient.
X
Ensure sufficient ventilation.
Cooling fins on cylinder (cylin-
der head) contaminated.
X
Clean cooling fins on cylinder
(cylinder head).
G The oil level rises
without oil having
been added
Condensate collects in the oil.
X
Compressor is too large, contact
service partner.
High humidity.
X
Change oil
H V-belt driven com-
pressor: unusual
operating noises.
V-belt or belt disc is scraping
against belt guard grating.
X
Look for point of contact, remedy
error
V-belt slipping.
X
Tighten the V-belt (see
Chap. 2.6.10)
I Petrol engine makes
unusual operating
noises
Motor knocks or whines in the
upper speed ranges
X
Check that the octane number of
the fuel is correct
J Silencer on the
petrol engine emit-
ting unusual noises
Carburettor set incorrectly
X
Check the carburettor setting
and adjust if necessary
Air filter on the petrol engine
clogged
X
Replace the air filter on the petrol
engine
K Maximum pressure
is reached, but
petrol engine does
not switch to idle
Idle speed control or overflow
valve faulty or incorrectly
adjusted
X
Replace the idle speed control or
overflow valve or have adjusted
by Schneider Airsystems Service
Problem Cause Remedy