300HH, 375, 375H, 375HH, 425 AND 425H USER MANUAL R00 SECTION 5
70
5.9 TROUBLE SHOOTING
The following Trouble Shooting chart is based upon
data obtained from factory tests and information from
the field. It lists symptoms, probable causes and
remedies. This chart does not cover all possible
malfunctions or cases of abnormal operation. Before
undertaking repairs or replacement actions, analyze
all of the available data.
Performing a detailed visual inspection in all cases
can prevent additional damage or abnormal
operation.
Always:
1. Check for loose wiring or connections.
2. Check for damaged piping.
3. Check for heat damage to parts (electrical
short circuits can cause heat damage) which
can appear as discolorations or the presence
of a burnt odor.
If the troubleshooting remedy does not work, or the
malfunction is not covered in this Trouble Shooting
chart, contact your nearest Sullair representative or
Sullair for technical assistance.
Table 5-1: Troubleshooting
ENGINE STOPS, DOES NOT CRANK OR CRANKS BUT DOES NOT START
SYMPTOM PROBABLE CAUSE REMEDY
NO SSAM FLASH CODE Low voltage or battery disconnected Check battery cables and tighten if
loose
Check ground wire for proper
attachment to frame. Tighten if
required.
Recharge or replace battery if
required.
Blown fuse in wiring harness Remove and inspect fuse. Replace if
necessary.
Instrument panel connectors loose
or disconnected.
Check instrument panel connectors
and reattach if required
Check instrument panel wires for
broken connections or corrosion.
Clean and/or replace if damaged.
Faulty SSAM module Replace the module
SSAM FLASH CODE: ONE FLASH Compressor temperature switch is
open
Check wiring connection to the switch
and tighten if loose
Check switch continuity to ground and
replace if necessary
Low receiver tank fluid level Add fluid to receiver tank as required
Loose or broken fan belt Tighten or replace belt
Cooling air flow is insufficient, dirty
fluid cooler core
Clean core thoroughly and check for
proper ventilation
Clogged compressor fluid filter Change fluid filter element
Faulty fluid thermostat Change fluid thermostat element
Plugged fluid cooler tube (internal) Replace cooler
To Next Page
Loading...
