Alarms
• Shutdown (A#): The dryer has automatically shut down because it has detect-
ed a serious problem that could damage your material or dryer.
• Passive (P#): The dryer continues to operate, but warns of a problem that could
prevent correct drying of your material. If ignored, this problem could lead to a
condition that will shut down the dryer.
6-14 l Troubleshooting
Problem
A43 & P17 - Machine Loader
Conveying Demand (MDC
Option) - The demand sensor
located at the material receiver
has not been satisfied after
three consecutive attempts.
Possible cause
Sensor is out of position.
The sensor is not adjusted properly.
No material is being conveyed.
The conveying load time is too short or
the delay time is too long.
Conveying blower is not coming on.
The conveying filter is clogged.
Hoses have come off or are loose in the
conveying loop.
Solution
Raise the sensor to a higher / lower posi-
tion on the bracket.
Adjust the sensitivity of the sensor.
Check for material in the hopper, or that
the slide gate is open.
Increase the load time setpoint or short-
en the delay time.
Check the blower fuses in the control
and the overload settings.
Clean or replace the conveying filter.
Check for loose hoses and make sure all
hose clamps are secure.
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