13-8-619 Page 40
SECTION 9
TROUBLESHOOTING
SYMPTOM
POSSIBLE
CAUSE
REMEDY
Compressor fails to start
1.
Wrong lead connections.
1.
Change leads.
2.
Blown fuses in control
box.
2. Replace
fuse
3. Motor
starter
overload
heaters tripped
3.
Reset and investigate
cause of overload.
4
Pressure in reservoir.
4
Inspect blowdown valve.
Compressor starts but
stops after a short time
1. High
discharge
temperature.
1.
See “High Discharge Air
Temperature,” this
section.
2. High
separator/
high
compressor temperature
light on.
2.
See “High Discharge Air
Temperature”, this
section.
3.
Blown fuse in starter/
control box.
3. Replace
fuse
(investigate
if fuses continue to blow).
4. Motor
starter
overload
heaters trip.
4.
Reset and investigate
cause of overload.
Compressor does not
unload (or load)
1. Improperly
adjusted
control.
1.
Refer to SECTION 4,
page 17 and adjust
control.
2.
Air leak in control lines.
2.
Determine source of leak
and correct.
3.
Restricted control line.
3.
Clean control lines.
Compressor cycles from
load to unload
excessively
1. Insufficient
receiver
capacity.
1.
Increase receiver size.
2.
Restriction in service
piping.
2.
Inspect and clean service
piping.
3.
Restriction in control
tubing.
3.
Inspect and clean control
tubing.
4. Plugged
aftercooler.
4. Inspect
and
clean
aftercooler.
Compressor is low on
delivery and pressure.
1.
Restricted air filter.
1.
Clean or replace filter.
2.
Sticking inlet valve.
2.
Inspect and clean inlet
valve.
3.
Minimum pressure valve
stuck closed.
3. Replace
valve.
Содержание INTEGRA EFB99A
Страница 9: ...13 8 619 Page 2 300EFB797 A Ref Drawing Figure 1 2 COMPRESSOR ILLUSTRATION...
Страница 12: ...13 8 619 Page 5 DECALS 206EAQ077 212EAQ077 218EAQ077 211EAQ077 207EAQ077...
Страница 13: ...13 8 619 Page 6 DECALS 216EAQ077 217EAQ077 222EAQ077 221EAQ077 208EAQ077...
Страница 30: ...13 8 619 Page 23 300EFB542 C Ref Drawing Figure 4 3 WIRING DIAGRAM...
