Chapter 7: Troubleshooting
Error Message Cause/Remedy
Heater 2 Air Flow Lost
The air switch located in the fan #2 electrical box has opened after initially
closing. The air switch needs adjustment or airflow to or from fan #1 is
being restricted.
Heater 2 Air Switch Stuck/Premature
The air switch is closed without fan #2 running. Adjust air switch.
Heater 2 Fan Contactor Aux Con-
tacts Failed to Close
The auxiliary contacts on the fan #2 motor starter failed to close when the
starter was energized. Check that starter #1 is pulling in when energized.
FillBox Communication Down
Communication has been lost between the remote PLC I/O in the fill box
and the main PLC in the control box. Check the Ethernet connections in
both the fill box and control box. Make sure the remote I/O in the fill box is
powered.
Out of Grain Timer Expired - Cooling
Down
The out of grain timer has expired. Either the dryer is out of grain or the fill
system is filling too slowly. The dryer will go to cool down mode.
Storage Chamber is Full - Cooling
Down
The grain level in the storage chamber has reached the storage chamber
level switches indicating the storage chamber is full. Grain will have to be
removed from the storage chamber before the dryer can be restarted.
The dryer will go to cool down mode.
Low Level Switch Exposed - Cooling
Down
The low grain level switch has become uncovered and the low level
switch delay timer has timed out. The dryer will enter into cool down
mode.
Wet Grain Supply Empty - Cooling
Down
The optional wet supply level switch has become uncovered the wet
supply delay timer has timed out indicating the wet supply is empty. The
dryer will enter into cool down mode.
64 Pneg–4900 TopDry Terminal™
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