Troubleshooting - Sullair 185CFM User Manual

6: Maintenance

6.10 Troubleshooting

The following troubleshooting 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:
Table 6-1: Troubleshooting guide
Symptom
Low voltage or
no voltage
High compressor tem-
perature
52
Probable cause
Low voltage or battery discon-
nected
Blown fuse in wiring harness
Instrument panel connectors loose
or disconnected.
Compressor temperature switch is
open
Low receiver tank fluid level
Loose or broken fan belt
Cooling air flow is insufficient, dirty
fluid cooler core
Clogged compressor fluid filter
Faulty fluid thermostat
Plugged fluid cooler tube (internal)
02250216-781 R02
Subject to EAR, ECCN EAR99 and related export control restrictions.
• Check for loose wiring or connections.
• Check for damaged piping.
• 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 mal-
function is not covered in this troubleshooting chart, con-
tact your nearest Sullair representative or Sullair for
technical assistance.
Remedy
Check battery cables and tighten if loose
Check ground wire for proper attachment to
frame. Tighten if required.
Recharge or replace battery if required.
Remove and inspect fuse. Replace if nec-
essary.
Check instrument panel connectors and
reattach if required
Check instrument panel wires for broken
connections or corrosion. Clean and/or
replace if damaged.
Check wiring connection to the switch and
tighten if loose
Check switch continuity to ground and
replace if necessary
Add fluid to receiver tank as required
Tighten or replace belt
Clean core thoroughly and check for proper
ventilation
Change fluid filter element
Change fluid thermostat element
Replace cooler
185 T4F Kubota User Manual