Sullair 600H User Manual page 88

600H, 700HH, 750, 750H, 750HH, 825, 900H, 1050 USER MANUAL
Table 5-2: Troubleshooting Chart
SYMPTOM
Compressor will not start
Compressor shuts down
with air demand present
Compressor will not build
up full discharge pressure
88
PROBABLE CAUSE
No fuel
Plugged fuel filter
Battery
Plugged air filter
Engine problems may have developed
Instrument panel problems may have
developed
No fuel
Compressor discharge temperature
switch is open
Instrument panel problems may have
developed
Aftertreatment soot load >100%.
Air demand is too great
Dirty air filter
Pressure regulator out of adjustment
Defective pressure regulator
Defective air inlet cylinder
Aftertreatment soot load >100%.
REMEDY
Check fuel level and add fuel if necessary.
Replace the fuel filter element.
Check electrolyte level and add distilled water and
recharge if necessary.
Loose battery cables; tighten cables.
Dirty battery cables; clean thoroughly.
Replace the air filter element.
Refer to Engine Operator's Manual
Refer to Controller Manual. Sullair Part No.
02250201-742.
Check fuel gauge and add fuel if necessary.
Cooling air flow is insufficient; clean cooler and
check for proper ventilation.
Low fluid sump level; add fluid.
Dirty compressor fluid filter; change element.
Thermostatic element is not functioning properly;
change the thermostatic element.
Defective discharge temperature switch; check for
a short or open circuit to the engine fuel solenoid.
Should this checkout normal, it could be possible
that the temperature switch itself is defective.
Refer to Controller Manual. Sullair Part No.
02250201-742.
Force a regeneration cycle to reduce soot loading.
If problem persists, contact your local CAT dealer.
Check service lines for leaks of open valves.
Check the filter gauges on instrument panel and
change element if required.
Adjust regulator according to control adjustment
instructions in the Maintenance section.
Check diaphragm and replace if necessary (kit
available).
Replace cylinder
Force a regeneration cycle to reduce soot loading.
If problem persists, contact your local CAT dealer.
SECTION 5