PUREGAS, LLC
P4200W2 Series Air Dryer User’s Guide
Page 101 of 113
P012308 - Rev. E
13.8 Can’t Create a Low Pressure Alarm
Possible Cause
Check
Corrective Action
Defective Outlet
Pressure Regulator
Verify that the Outlet
Pressure Regulator can
be adjusted
(section 8.16 )
Replace Outlet Pressure
Regulator if unable to
adjust pressure
(section 11.2 )
Low Outlet Pressure
Alarm threshold lower
than default setting
Verify Low Outlet
Pressure threshold
(section 8.8.7 )
Adjust Outlet Pressure
Regulator so that Outlet
Pressure (
OUTLET
)
reading drops below
verified threshold
(section 8.16 )
Defective Control Board Verify that the Outlet
Pressure (
OUTLET
)
reading is lower than the
Low Outlet Pressure
threshold (above)
Replace Control Board
(section 11.1 ) if Outlet
Pressure (
OUTLET
)
reading is under verified
Low Outlet Pressure
threshold for more than
1 minute and fails to
create an alarm.
13.9 High Flow Rate Alarm
Possible Cause
Check
Corrective Action
Air leak in downstream
cable outside of dryer
Verify Flow Rate
(
FLOW
) reading is not
higher than expected
(section 8.4.5.2 )
Fix downstream
problem
Air leak inside of dryer
Test fittings and hoses
for leaks (section 9.17 )
Reconnect or replace
bad fitting / hose
High Flow Alarm
threshold too low
Verify High Flow
threshold
(section 8.8.9 )
Raise High Flow
threshold
(section 8.8.9 )
