PUREGAS, LLC
P6500W Air Dryer User’s Guide
Page 77 of 88
P010452 – Rev. Q
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 8.13 )
Replace Outlet Pressure
Regulator if unable to
adjust pressure (section
11.2 )
Low Outlet Pressure
Alarm set point lower
than default setting of
6.5 PSI
Verify Low Outlet
Pressure Alarm set point
(section 8.6.3 )
Adjust Outlet Pressure
Regulator so that Outlet
Pressure (
OUTP
)
reading drops below
verified set point
(section 9.15 )
Defective Control Board Verify that the Outlet
Pressure (
OUTP
)
reading is lower than the
Low Outlet Pressure
Alarm set point (above)
Replace Control Board
(section 11.1 ) if Outlet
Pressure (
OUTP
)
reading is under verified
Low Outlet Pressure
Alarm set point 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 8.4.5.1 )
Fix downstream
problem
Air leak inside of dryer
Test fittings and hoses
for leaks (section 9.16 )
Reconnect or replace
bad fitting / hose
High Flow Alarm set
point too low
Verify High Flow Alarm
set point
(section 8.6.1 )
Raise High Flow Alarm
set point (section 8.6.1 )
13.10 High Cabinet Temperature Alarm
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
Summary of Contents for P6500W
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