Altec AIR Puregas P210W2LP, User Manual

Page: 80 / 91

Altec AIR, LLC P210WLP Series Air Dryer User’s Guide
Page 80 of 91 P017455 – Rev. C
13.9 High Humidity
Possible Cause Check Corrective Action
Low System Pressure Verify System Pressure
(section 8.9 ) Adjust System Pressure
to 50 PSI, ± 2 PSI.
(section 8.9 )
Low Flow Rate Verify Duty Cycle
reading is greater than
10% (section 8.6.7) Install the included
Precision Bleed Orifice
fitting to maintain a
constant air flow.
(section 8.2 )
High Humidity Alarm
set point too low Verify High Humidity
Alarm set point
(section 8.7)
If Flow Rate is low,
allowing a higher alarm
set point (up to 10%)
will allow Dryer to run
within acceptable
levels. Raise High Humidity
Alarm set point
(section 8.7)
Over 10% not
recommended
Defective Humidity
Sensor Perform the Testing
Humidity Alarm and
System Shutdown test
(section 9.10 ) Troubleshoot
Can’t
Create a High Humidity
Alarm / Shutdown
condition
(section 13.10 )
Heatless Dryer not
cycling between towers Verify consistent
Heatless Dryer cycling
(section 9.5 ) Troubleshoot
Inconsistent Heatless
Dryer Cycling
condition
(section 13.13 )
Defective Control
Board Unplug Humidity
Sensor from Control
Board (see section 11.1
for Board location)
Humidity reading
should drop to 0% If Humidity did not
immediately change to
**.*% replace Control
Board (section 11.1 )
CAUTION!
Do not test the Humidity Sensor with an ohm meter or apply
any DC voltage. This will render the Humidity Sensor defective.