Specifications

Portable Drying/Conveying Systems Chapter 6: Troubleshooting 61 of 76
Alarm Message Cause Corrective Action Dryer Status
Make sure all the hose
connections inside the dryer
are tight.
Check the regeneration heater
fuses. Replace if necessary.
Check the heater contactors.
Replace if necessary.
Check the heaters. Replace if
necessary.
REGEN LOW
TEMP
The regeneration
temperature did not
get within the alarm
set point.
Check incoming voltage to the
dryer specs.
- Dryer Normal :
- Process blower ON.
- Process heaters ON.
- Regen heaters ON.
- Alarm Message ON.
- Alarm horn is OFF.
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.
Make sure all the hose
connections are tight.
For drying temperature of
250°F or higher, delivery air
hose should be insulated.
Check the heater contactors.
Replace if necessary.
Check the heaters. Replace if
necessary.
PROCESS
LOOP BREAK
The process drying
air temperature has
not made any
improvement toward
the drying
temperature set
point for more than
480 seconds.
Check incoming voltage to the
dryer specs.
- Dryer Shuts Down :
- Process blower OFF.
- Process heaters OFF.
- Regen heaters OFF.
- Alarm Message ON.
- Alarm horn is ON.
Make sure the process air filter
is clean. Clean or replace if
necessary.
Make sure all the hose
connections and all the
components of the dryer have
proper seals on them
(desiccant tanks, heater box,
filters, after-cooler … ).
Tighten the connections and
replace any damaged seals.
Make sure the regeneration
timing cycle matches the
specs. If not contact Service
department.
HIGH DEW
POINT
The dew point
reading has
exceeded the dew
point alarm set point.
Desiccant may be
contaminated and blocking the
air flow. Check desiccant,
replace if necessary.
- Dryer Normal :
- Process blower ON.
- Process heaters ON.
- Regen heaters ON.
- Alarm Message ON.
- Alarm horn is OFF.