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Alarm Message Cause Corrective Action Dryer Status
The process
temperature has
exceeded the alarm
set point.
The process heater
contactor has failed in the
closed position. Check
heater contactor, replace if
necessary.
Check the Process Heater
box high temperature snap
switch, replace if necessary
The high temperature
snap switch of the
process heater box
has tripped.
The Regeneration heater
contactor has failed in the
closed position. Check
heater contactor, replace if
necessary.
HIGH TEMP
The high temperature
snap switch on of the
regeneration heater
boxes has tripped
Check the high temperature
snap switches on the
regeneration heater
mounting plates, replace if
necessary.
- Dryer Shuts down:
- Process blower OFF.
- Process heaters OFF.
- Regen heaters OFF.
- Alarm light is ON
- Alarm horn is ON.
Make sure the process air
filter is clean. Clean or
replace if necessary.
Check the rotation of the
blower.
Check the pressure switch
hose connection. Replace
hoses or the pressure
switch.
Check the over load rating
against the wiring diagram.
Adjust accordingly.
Check the wiring of the
blower. Make sure it is wired
for the proper voltage.
Check the process blower
fuses for any fault. Replace
if necessary.
Check the blower motor
starter. Replace if
necessary.
Check the blower motor.
Replace if necessary.
PROC BLWR
The process blower
pressure switch did not
detect enough
pressure.
Process blower
overload has tripped.
Process blower motor
has failed.
Check the incoming voltage
against the name plate of
the dryer.
15, 30, & 60 cfm Compact Dryers 38