Sullair 185H Operator's Manual And Parts List page 39

5.9 TROUBLESHOOTING GUIDE (CONTINUED)
SYMPTOM
FLASH CODE: FOUR FLASHES (cont)
COMPRESSOR SHUTS DOWN:
NO FLASH CODE:
FLASH CODE: ONE FLASH
FLASH CODE: TWO FLASHES
FLASH CODE: THREE FLASHES
PROBABLE CAUSE
Plugged air filter
Engine problems may have developed
Starter solenoid relay does not engage
Alternator failure
Blown fuse in wiring harness
Instrument panel connectors loose or
disconnected.
Instrument panel connectors loose or
disconnected.
Faulty SSAM module
Faulty compressor temperature switch
Cooling air flow is insufficient
Low compressor fluid sump level
Clogged compressor fluid filter
Faulty thermostat
Loose or broken fan belt
Plugged fluid cooler tube (internal)
Faulty Engine coolant temperature switch
Cooling air flow is insufficient
Loose or broken fan belt
Engine problems may have developed.
No engine coolant
Faulty engine oil pressure switch
MAINTENANCE
REMEDY
Clean and replace if necessary.
Refer to Engine Operator's Manual.
Check wiring and tighten all connections.
Replace relay.
Check output of alternator frequency terminal
Remove/Inspect fuse and replace if necessary.
Check instrument panel connectors and reattach if
required
Check instrument panel wires for broken connec
tions or corrosion. Clean and/or replace if required.
Replace the SSAM Module
Check wiring connection to switch and tighten as
required.
Check switch continuity when cool and replace if
necessary.
Clean cooler and check for proper ventilation.
Add fluid as required.
Change filter element.
Change the thermostat element.
Check fan belt and tighten/replace as necessary.
Replace cooler.
Check wiring connection to switch and tighten as
necessary.
Check switch continuity to ground when cool and
replace if necessary.
Clean cooler and check for proper ventilation.
Check fan belt and tighten/replace as necessary.
Refer to engine operators manual.
Check engine coolant level and fill with proper wa
ter/glycol mixture as required.
Check wiring connection to switch and tighten as
required.
Install gauge in parallel with switch. Replace switch
if pressure exceeds 15 psig and switch stays
open. If pressure is less than 15 psig, refer to En
gine Operator's Manual.
Section 5
33