Conair Carousel Plus D Series User Manual page 133

Problem
Regeneration Outlet RTD In-
tegrity - The control can not
sense the regeneration outlet
RTD.
Dewpoint Deviation High -
Displayed when the actual dew-
point goes above the setpoint
by a specified amount of time
and degrees. Defaults are set for
5°F {3°C} for 60 seconds.
Dewpoint Deviation Low -
Displayed when the actual dew-
point goes below the setpoint
by a specified amount of time
and degrees. Defaults are set for
5°F {3°C} for 60 seconds.
0
NOTE: This alarm is factory
defaulted to OFF.
Pa s s i v e A l a r m s
If an alarm occurs, a red dialog box is displayed on the dryer's touch screen control. The
dryer continues to operate, but this problem could prevent correct drying of your material.
The dialog box will indicate whether the alarm is a shut down alarm or a passive alarm.
Possible cause
There is a loose connection in the
wiring leading to the RTD.
The connection of the RTD plug on the
control board is loose.
The regeneration outlet RTD has failed.
The control board has failed.
Desiccant wheel not turning.
The hose or wiring connections to the
sensor block are loose or have fallen off.
Poor regeneration air flow.
The desiccant wheel may be contami-
nated.
Leaks in the process air stream.
The dewpoint can not control to the de-
sired setpoint.
The dewpoint sensor has failed.
Solution
Check the RTD plug connection and
make any necessary repairs.
Check the plug connection and tighten
if needed.
Replace the regeneration outlet RTD.
Replace the control board.
See Troubleshooting section entitled,
Passive alarms, Wheel rotation alarm.
Check wiring and hose connections to
the sensor, secure if needed.
Remove the air flow restrictions, dirty
filters, etc.
Check the desiccant wheel for contami-
nation, replace if needed. See Trou-
bleshooting section entitled, Replacing
the desiccant wheel assembly.
Check for worn or loose hoses.
Install plasticizer/volatile trap for severe
situations.
Material and/or ambient condition may
be too dry to increase the actual dew-
point. Please wait several hours to deter-
mine if the setpoint can be reached.
Increase the dewpoint low deviation
value.
Replace the dewpoint sensor.
Tr o u b l e s h o o t i n g l 6 - 2 1