Specifications

Portable Drying/Conveying Systems Chapter 6: Troubleshooting 59 of 76
Alarm Message Cause Corrective Action Dryer Status
The process temperature
thermocouple is not connected
to the temperature controller.
Make sure the connections are
correct and tight.
PROCESS
SENSOR FAIL
The process
temperature
thermocouple is
open.
The process temperature
thermocouple is damaged.
Replace the thermocouple.
- Dryer Shuts Down:
- Process blower OFF.
- Process heaters OFF.
- Regen heaters OFF.
- Alarm light is ON
- Alarm horn is ON.
The regeneration temperature
thermocouple is not connected
to the temperature controller.
Make sure the connections are
correct and tight.
REGEN
SENSOR FAIL
The Regeneration
temperature
thermocouple is
open.
The regeneration temperature
thermocouple is damaged.
Replace the thermocouple.
- Dryer Shuts Down:
- Process blower OFF.
- Process heaters OFF.
- Regen heaters OFF.
- Alarm light is ON
- Alarm horn is ON.
Make sure the process filter is
clean. Clean or replace if
necessary.
Double check the alarm set
point. (35°F)
Check the positioning of the
thermocouple inside the air inlet
of the drying hopper. The tip of
the thermocouple should be
centered to the tube, and not
touching any metal part of the
tube.
The drying temperature set point
is lower than dryer capabilities.
Check the dryer specs.
Make sure all the hose
connections are tight.
PROCESS HIGH
TEMP
The process
temperature has
exceeded the
alarm set point.
Make sure the regeneration
timing cycle matches the specs.
If not contact Service
department.
- Dryer Shuts Down:
- Process blower OFF.
- Process heaters OFF.
- Regen heaters OFF.
- Alarm light is ON
- Alarm horn is ON