Tech West ACL4D2 - Troubleshooting Guides; Single Compressor Troubleshooting

18
NO
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Are there leaks in
compressor or in
office piping system?
Does purge
valve seal while
running?
Clean
or
replace.
YES
NO
Is intake filter
clogged?
Trouble Shooting Chart
Single Ultra Clean Lubricated Compressor
Single Ultra Clean Lubricated Compressor Diagram
NO
YES
Is there sufficient
pressure build-up
with head
discharge line
removed?
NO
Defective
head,
contact
Tech West.
NOTE: Close
shut off valve.
Pump up tank to
100 psi. If pres-
sure is main-
tained for 15-20
min., leak is in
office lines.
YES
Locate
and repair.
NO
Does air leak
from unloader
valve until unit
cycles again?
Examine the check
valve and the
purge valve for
leaks.
YES
NO
YES
YES
Replace
intake
filter.
Contact
Tech West.
YES
Does
unloader
valve system
function
properly?
YES
Does com-
pressor run
too hot or too
frequent?
1. Locate and repair
leaks.
2. Ventilate if room is
above
100 deg. F.
3. Contact compressor
may be undersized.
YES
Is head
level?
YES
NO
Level
head.
YES
Does com-
pressor run
too hot or too
frequent?
YES
NO
Contact
Tech West.
Contact
Tech West.
1. Ensure that
unloader valve
& pressure
switch close on
pump-up, &
open on purge
cycle.
2. Ensure that
drain line is not
clogged.
NO
DOES AIR
COMPRESSOR
RUN?
Does compressor run
for a few
seconds, “chugs”, then
stops?
Does compressor pres-
surize from 80 to 100
psi in less than 1
minute with no air
being used?
YES
NO
Does compressor
cycle with no air
being used?
YES
NO
Is the moisture
indicator pink?
Is there excessive
oil usage?
NO
YES
Check voltage
supplied to the
compressor.