PUREGAS, LLC
P4200W2 Series Air Dryer User’s Guide
Page 106 of 113
P012308 - Rev. E
13.18 Can’t Create a High Duty Cycle Alarm
Possible Cause
Check
Corrective Action
High Duty Cycle Alarm
threshold too high
Verify High Duty Cycle
threshold
(section 8.8.11 )
Allow the Compressor
to run longer than the
verified threshold
(section 9.13 )
Defective Control Board Verify that the
Compressor has run
longer than the verified
High Duty Cycle
threshold (above)
Replace Control Board
(section 11.1 ) if the
Compressor runs longer
than the verified High
Duty Cycle Alarm
threshold and fails to
create an alarm.
13.19 Compressor Rapid ON/OFF Cycling
Possible Cause
Check
Corrective Action
Defective Solid State
Relay
Measure voltages at
Solid State Relay
(section 9.6 )
If measurements are
bad, replace Solid State
Relay (section 11.1 )
Defective Control Board Measure voltages at
Solid State Relay
(section 9.6 )
If measurements are
good, replace Control
Board (section 11.1 )
