PUREGAS, LLC
P4200W2 Series Air Dryer User’s Guide
Page 105 of 113
P012308 - Rev. E
13.16 Compressor Excessive AMP Draw
Possible Cause
Check
Corrective Action
Restriction in air line
Remove Discharge Hose
from Compressor (see
section 11.3 for location
of hose)
Re-measure Compressor
AMP Draw
(section 9.2 )
If measurement is below
the recommended
running amps, trace
hoses from Compressor
to Unloader Valve
looking for restrictions
or kinks
Compressor failing
Remove Discharge Hose
from Compressor (see
section 11.5 for location
of hose)
Re-measure Compressor
AMP Draw
(section 9.2 )
If measurement is still
above recommended
amps, replace
Compressor
(section 11.3 )
or send it in for repair
(section 12. )
13.17 High Duty Cycle Alarm
Possible Cause
Check
Corrective Action
Low System Pressure
Verify System Pressure
(section 8.14 )
Adjust System Pressure
(section 8.14 )
High Flow condition
Verify Flow Rate
(
FLOW
) reading is not
higher than expected
(section 8.4.5.2 )
Troubleshoot High Flow
Alarm condition
(section 13.9 )
Defective Unloader
Valve
Test Unloader Valve
operation (section 9.8 )
If this is continuously
flowing high amounts of
air, the Unloader Valve
is defective.
Replace Unloader Valve
(section 11.4 )
Defective Heatless
Dryer Solenoid Valve
Verify consistent
Heatless Dryer cycling
(section 9.7 )
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 9.6 )
If measurements are
bad, replace Solid State
Relay (section 11.1 )
Summary of Contents for P4200W2
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