PUREGAS, LLC
P6500W Air Dryer User’s Guide
Page 81 of 88
P010452 – Rev. Q
13.16 High Compressor Temperature
Possible Cause
Check
Corrective Action
Fan Failure
Verify both fans are
running (section 9.9 )
Check for loose fan
wiring (section 14.1 )
Replace defective fan
(section 11.2 )
High Ambient
Temperature
Verify temperature of
dryer operating location.
Recommended ambient
temperature is 40°-85°F.
Lower ambient
temperature of dryer
operating location
Dirty Air Intake Filter
Remove Air Intake
Filter and check to see if
Compressor temperature
reading returns to
normal range
Replace Air Intake Filter
included in the Six
Month Maintenance Kit
(section 11.6 )
13.17 Compressor Excessive Run Time Alarm
Possible Cause
Check
Corrective Action
Low System Pressure
Verify System Pressure
(section 8.11 )
Adjust System Pressure
to 50 PSI (section 8.11 )
High Flow condition
Verify Flow Rate
(
FLOW
) reading is not
higher than expected
(section 8.4.5.1 )
Troubleshoot High Flow
condition (section 13.9 )
Defective Unloader
Valve
Test Unloader Valve
operation (section 9.7 )
If this is continuously
flowing high amounts of
air, the Unloader Valve
is defective.
Replace Unloader Valve
(section 11.3 )
Defective Heatless
Dryer Solenoid Valve
Verify consistent
Heatless Dryer cycling
(section 9.6 )
If either side is
continuously flowing
high amounts of air, the
Solenoid Valve is
defective.
Replace Solenoid
Valves included in the
8,000 Hour Maintenance
Kit (section 11.6 )
Defective Solid State
Relay
Measure voltages at
Solid State Relay
(section 9.5 )
If measurements are
bad, replace Solid State
Relay (section 11.1 )
Summary of Contents for P6500W
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