Conair 100 User Manual page 78

Problem
P9
Process Dew Point (PM1
Option) – The dew point has
not fallen below the setpoint.
If the dew point goes below
the setpoint, the alarm should
go away.
Note: The alarm is not
active for the first 3
indexes
P10
Process Filter Clogged
(Option) – The process filter
differential pressure switch is
tripped.
P17
Conveying Demand
(MDC Option) - The demand
sensor located at the material
receiver has not been satisfied
after 3 attempts.
6 - 1 2 l Tr o u b l e s h o o t i n g
Pa s s i v e A l a r m s
Possible cause
The hose or wiring connections to the
sensor block are loose or have fallen off.
Desiccant level low.
The desiccant may be contaminated.
Leaks in the process air stream.
The process air filter is clogged.
Sensor is out of position.
The conveying load time is too short.
Conveying blower is not coming on.
Hoses have come off or are loose in the
conveying loop.
Solution
Check wiring and hose connections to
the sensor, re-secure if needed.
Replace tanks or repack desiccant. See
"Replacing the Desiccant Tanks" Page
6-21 "Refilling the Desiccant Tanks"
Page 6-22.
Check the desiccant for contamination,
replace if needed.
Check for worn or loose hoses.
Remove and clean or replace the
process air filter.
Raise the sensor to a higher/lower posi-
tion on the bracket.
Increase the load time setpoint.
Check the blower fuses in the control
and the overload settings.
Check for loose hoses and make sure all
hose clamps are secure.