6
Tr
ou
ble
sh
oo
tin
g
Tr o u b l e s h o o t i n g l
6-15
Problem
Delivery Air dew point
– The
dew point has not fallen below
the set point. If the dew point
goes below the set point for
180 seconds the alarm should
go away.
NOTE:
The alarm is not
active for the first 5 min-
utes.
DC Filter Clogged
– The
optional dust collector’s differ-
ential pressure switch is
tripped.
Possible cause
Defective dew point sensor.
The hose or wiring connections to the
sensor block are loose or have fallen off.
Poor regeneration airflow.
The desiccant wheel may be contaminat-
ed.
Desiccant wheel not turning.
Leaks in the process air stream.
Power Purge blower not running.
The optional dust collector’s filter is
clogged.
Solution
Replace the sensor.
Check wiring and hose connections to
the sensor, secure if needed.
Remove the airflow restrictions, dirty
filters, etc.
Check the desiccant for contamination,
replace if needed. Install plasticizer /
volatile trap for severe situations.
Replace the desiccant wheel.
See
Troubleshooting section entitled,
Replacing the desiccant wheel
.
See Troubleshooting section entitled,
Passive alarms, Wheel rotation alarm.
Check for worn or loose hoses.
Check fuses, wiring or replace blower.
Remove and clean or replace the process
air filter.
✐
Passive Alarms
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 cor-
rect drying of your material. The dialog box will indicate whether the alarm
is a shut down alarm or a passive alarm.
Summary of Contents for Carousel Plus UGD043-1216
Page 7: ...Table of Contents l v...
Page 8: ...vi l Table of Contents...
Page 48: ...3 24 l Installation Testing...
Page 54: ...4 6 l Operation Control Function Flow Charts continued Login Flow Chart...
Page 55: ...4 O p e r a t i o n Operation l 4 7 Operation Basic Controls...
Page 56: ...4 8 l Operation Control Function Flow Charts continued Operation Flow Chart 1 continued...
Page 58: ...4 10 l Operation...
Page 59: ...Operation Dew Point Package Controls 4 O p e r a t i o n Operation l 4 11...
Page 60: ...Control Function Flow Charts continued Operation Flow Chart 1 4 12 l Operation...
Page 62: ...4 14 l Operation...
Page 63: ...4 O p e r a t i o n Operation l 4 15 Operation Setup Control...
Page 64: ...4 16 l Operation Control Function Flow Charts continued continued Setup Flow Chart 1...
Page 66: ...4 18 l Operation continued Control Function Flow Charts continued Equipment Setup Flow Chart 2...
Page 164: ...6 46 l Troubleshooting...