Grain Systems PNEG-1459 - Manual (Page 47)

47 PNEG-1459 L Series Operators
FAN AND HEATER GENERATED ERRORS
The following is a list of errors that are generated with the fan and heater controller. Each fan and heater has there own set of
safeties which are listed below. You will need to inspect the controller associated with the error. Example: If you get the
warning shown above, touching the HELP button will display the Shutdown Help window
Air Switch x Stuck
The air switch contacts have closed prior to the fan starting, indicating a freewheeling blade or improper setting of the air
switch. The message will distinguish between which fan caused the shutdown. This indicates that 12VDC has been lost to
terminal J4-04 on the Fan/Heater board.
Fan x Loss of Airflow
This error message is displayed when airflow (air pressure) has been established but was lost for some reason. This could
happen if while during the dryers operation the grain has settled or shrinkage in the grain columns causing a loss of air pressure
in the plenum chamber.
Fan x No Airflow
Contacts in the air switch have never opened due to the fan not turning, or the air switch may need adjustment. The message will
distinguish between which fan caused the shutdown.
SAFETY CIRCUIT SHUTDOWN MESSAGES
Shutdown warning window:
Touch the HELP button to
display the Shutdown Help
Window (shown below).
Shutdown Help Window will display
a picture a picture of the part,
that may have caused the shutdown