Sullair 600H User Manual page 90

600H, 700HH, 750, 750H, 750HH, 825, 900H, 1050 USER MANUAL
Table 5-2: Troubleshooting Chart
SYMPTOM
Engine overheating
Shutdown panel lights
Check engine light
Engine warning flashing
light
Regeneration will not
automatically engage.
Unit derated on its own
Compressor shuts down
with air demand present
Compressor overheating
Fan speed higher than
expected.
Hydraulic system
overheating
Additional troubleshooting tips are available in the Controller Manual.
Sullair Part No. 02250201-742.
90
PROBABLE CAUSE
Loose or broken fan belt
Dirty radiator core
Dirty oil cooler
Low water level
Dirty aftercooler
Low fluid level
Faulty water pump
Plugged radiator
Defective engine thermostat
Faulty switch indicated by light
Engine safety switch (low coolant) fault
Count number of flashes. This will flash
trouble code.
Regeneration Switch in the inhibit
position.
Soot load >100%
Compressor discharge temperature
switch is open
Low cooling airflow due to low hydraulic
fluid level
Low cooling airflow due to incorrectly
programmed machine.
Wiring or connector issue to fan control
solenoids.
Sensor (compressor, CAC, ambient,
coolant, package discharge)
malfunction.
Low fluid level.
Faulty thermostat element.
Dirty cooler core.
Plugged internal cooler passages.
REMEDY
Tighten or change belt.
Clean thoroughly.
Clean thoroughly.
Refill.
Clean thoroughly.
Refill.
Change pump.
Clean and flush thoroughly.
Replace engine thermostat.
Replace the switch.
Replace the switch (Caterpillar part).
Determine trouble code and call Caterpillar
Service Representative to correct problem.
Force regeneration, or restart the unit.
Force regeneration, or restart the unit.
Inspect spark plugs.
Insufficient cooling airflow due to low hydraulic
fluid level; add fluid and check for leaks
Add fluid and check for leaks
Verify controller is loaded with correct machine
configuration file.
Verify and correct wiring.
Replace sensor.
Add fluid and check for leaks
Replace thermostat element.
Clean core thoroughly.
Clean passages or replace cooler.
NOTE
SECTION 5