13-10-614 Page 64
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
and muffler.
5.
Read error message on
control panel
5.
Take appropriate action.
See Manual 13-9-653.
6.
Remote Contact is open
(terminals 6 & 9).
6.
Replace switch or jumper.
Compressor starts but
stops after a short time
1.
High discharge
temperature.
1.
See “High Discharge Air
Temperature,” this
section.
2.
High discharge
temperature switch
malfunction.
2.
Replace switch
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 Manual 13-9-653
and adjust control.
2.
Air leak in control lines.
2.
Determine source of leak
and correct.
3.
Restricted control line.
3.
Clean control lines.
4.
Blowdown valve
malfunction.
4
Repair, clean or replace
valve.
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.
Содержание AUTO SENTRY EAU99G
Страница 10: ...13 10 614 Page 3 Figure 1 2 STARTER BOX Figure 1 3 PACKAGE CONTROLLER STARTERS 201EAU797 Ref Drawing...
Страница 11: ...13 10 614 Page 4 Figure 1 4 PACKAGE DRIVE MOTOR AIR FILTER 201EAU797 Ref Drawing...
Страница 14: ...13 10 614 Page 7 DECALS 206EAQ077 212EAQ077 218EAQ077 211EAQ077 207EAQ077...
Страница 15: ...13 10 614 Page 8 DECALS 216EAQ077 217EAQ077 222EAQ077 221EAQ077 208EAQ077...
Страница 37: ...13 10 614 Page 30 Figure 4 7 CONTROL SCHEMATIC COMPRESSOR AT FULL LOAD 206EAU797 A Ref Drawing...
Страница 41: ...13 10 614 Page 34 202EAU546 D Ref Drawing Page 2 of 2...
Страница 43: ...13 10 614 Page 36 205EAU546 D Ref Drawing Page 2 of 2...
Страница 47: ...13 10 614 Page 40 Figure 5 3 FLOW DIAGRAM 210EAU797 A Ref Drawing...
