7 Troubleshooting
Topics Covered in this Chapter
▪ TopDry Terminal Error Messages
TopDry Terminal Error Messages
Error Message Cause/Remedy
Fill #1 Conveyor Overload
Thermal overload on Fill Conveyor #1 located in the fill box has tripped.
The overload must be manually reset.
Fill #2 Conveyor Overload
Thermal overload on Fill Conveyor #2 located in the fill box has tripped.
The overload must be manually reset.
Grain Maximum Temp! Press Stop
Button to reset.
The grain temperature in the drying chamber is higher than the Grain Max
Temp setting. Inspect dryer for excess trash or plugged dump chutes.
Drying Chamber Overflow Switch
Tripped
The grain level in the drying chamber has reached the Drying Chamber
Overflow switch. Grain will have to be dumped from the drying chamber
before the dryer can be restarted. The High Level switch delay setting
needs to be lowered.
Drying Chamber Low Level Switch
Exposed
The Low Level Switch delay timer has timed out indicating the dryer is
low on grain. Dryer is out of wet grain or filling too slowly.
Wet Grain Supply Empty. Add grain
to Wet Tank or disable Wet Tank
Switch on Setup Menu to continue.
The (optional) Wet Supply Switch delay timer has timed out, indicating
the wet supply tank is low on grain.
High and/or Low Level Drying Cham-
ber Switch Failed
The PLC controller sees grain on the high switch but not the low switch
which cannot happen in normal operation, so the high or low switch has
failed.
Grain Temp Sensor 2 Open
The TopDry Terminal sees an open electrical connection to the grain
temp sensor #2. Check wiring or replace sensor. Temporarily disable
grain temp sensor #2 in the Temperature Menu to continue drying.
Grain Temp Sensor 2 Shorted
The TopDry Terminal sees a shorted electrical connection to the grain
temp sensor #2. Check wiring or replace sensor. Temporarily disable
grain temp sensor #2 in the Temperature Menu to continue drying.
Grain Temp Sensor 3 Open
The TopDry Terminal sees an open electrical connection to the grain
temp sensor #3. Check wiring or replace sensor. Temporarily disable
grain temp sensor #3 in the Temperature Menu to continue drying.
Grain Temp Sensor 3 Shorted
The TopDry Terminal sees a shorted electrical connection to grain temp
sensor #3. Check wiring or replace sensor. Temporarily disable grain
temp sensor #3 in the Temperature Menu to continue drying.
Dump Chutes Closed but Open
Switch Still ON
The dump chutes have closed, but the controller still sees the Open
Microswitch on the chute controller in a closed position. The open micro-
switch is defective or stuck closed.
Dump Chutes Open but Closed
Switch Still ON
The dump chutes have opened, but the controller still sees the Closed
Microswitch on the chute controller in a closed position. The closed micro-
switch is defective or stuck closed.
Pneg–4900 TopDry Terminal™ 61
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