Central
When supplied for central
drying applications, these
shutdown alarms are not
available.
Problem
Process Protection RTD
Integrity – If the process
protection RTD is faulty, it
shuts the dryer down.
S h u t d o w n A l a r m s
If the red Acknowledge Alarm LED is blinking, the alarm is a shutdown
alarm. The dryer will shut down automatically to prevent damage to the
equipment or personnel. Note that when the Acknowledge Alarm button is
pressed once, the blinking red LED becomes solid.
Possible cause
There is a loose connection in the
wiring leading to the RTD.
The connection of the RTD plug on the
control board is loose.
The process protection RTD has failed.
The control board has failed.
Solution
Check the RTD plug connections and
make any necessary repairs.
Check the plug connection and tighten
if needed.
Replace the process protection RTD.
Replace the control board.
Tr o u b l e s h o o t i n g l
6 - 9