Tr o u b l e s h o o t i n g l
6 - 1 9
Problem
Delivery Air Temperature
Deviation
– The delivery air
temperature exceeds the devia-
tion band as entered for the
specified time. Default values
are 10°F {6°C} for 5 seconds.
Delivery Air Low Tempera-
ture
– The delivery air tem-
perature is less than the low
temperature setpoint for the
specified time. Default values
are 70°F {21°C} for 20 sec-
onds.
Possible cause
One of the solid state relays (SSRs)
failed in the closed position.
Defective delivery air heater.
The output on the board has failed.
The process RTD is loose or has fallen
out.
The air hose connections are loose.
Precooler water is too cold, or the water
flow rate is too high.
The output on the board has failed.
Flow control solenoid is stuck open.
The process RTD is loose or has fallen
out.
Delivery air heater has failed.
Solution
Replace the failed solid state relays (SSRs).
Check the heater fuses and resistance across
each leg of the delivery air heater.
Replace the board.
Check the process RTD and tighten if
needed.
Tighten all air hose connections.
Check water temperature and flow settings.
Adjust as necessary.
Replace the board.
Replace the valve.
Check the process RTD and tighten if
needed.
Check the heater fuses and resistance across
each leg of the delivery air heater.
When supplied for central dry-
ing applications, these passive
alarms are not available.
6
T
roubleshooting
P a 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.
NOTE:
This alarm is factory
defaulted to OFF.
0
NOTE:
This alarm is factory
defaulted to OFF.
0
Central
Summary of Contents for Carousel Plus D Series
Page 6: ...iv l Table of Contents...
Page 20: ...2 8 l Description...
Page 40: ...3 8 l Installation...
Page 54: ...4 14 l Operation Control Function Flow Charts From the Login Logout screen Home Login Screen 3...
Page 90: ...4 50 l Operation...
Page 112: ...5 16 l Maintenance...
Page 208: ...C 46 l Appendix...