TROUBLE ANALYSIS PROCEDURE

Problem

Possible Cause

 

 

Display shows "BURNER 1, 2 OR 3 VAPOR HIGH

The LP gas vapor temperature sensor located in the gas

TEMPERATURE" message.*

train downstream from the vaporizor has opened, indicating

 

that the vaporizer is running too hot and must be read-

 

justed. (This control is a 200°F limit which automatically

 

resets when it cools).

 

 

Display shows "BURNER 1, 2 OR 3 WARNING FLAME

The flame sensor has failed to detect a burner flame,

NOT DETECTED" message.*

indicating that the burner has failed to light, there is a

 

problem with the flame sensing circuitry or the dryer is not

 

getting burner fuel.

 

 

Display shows "FAN 1, 2 OR 3 HOUSING HIGH

The temperature high limit located on the fan/burner

TEMPERATURE" message.*

housing has opened, indicating an over temperature

 

condition has occurred towards the rear of the fan/heater

 

housing. (This control is a 200°F limit control that must be

 

manually reset).

 

 

Display shows "GRAIN DISCHARGE WARNING" message.

The cover on the grain discharge box has opened, indicat- ing that grain is backing up into the discharge box.

Display shows "LOWER ADJ. GRAIN HIGH

An over temperature condition has occurred inside the left

TEMPERATURE" message.

side grain column. (This control is a 210°F limit which

 

automatically resets when it cools).

 

 

Display shows "LOWER FIXED GRAIN HIGH

An over temperature condition has occurred inside the right

TEMPERATURE" message.

side grain column. (This control is a 210°F limit which

 

automatically resets when it cools).

 

 

Display shows "OUT OF GRAIN" message.

The dryer has run low on grain, and the out of grain timer

 

has timed out shutting the dryer down. The unload auger

Display shows "OUT OF GRAIN-UNLOAD CLEANOUT.."

will then clean out the dryer, if the unload switch is on

message.

during continuous flow operation. Check the out of grain

 

timer setting, and if necessary adjust. Also, before restart-

 

ing, inspect load equipment for possible damage or

 

adjustment.

 

 

Display shows "PLENUM 1, 2 OR 3 HIGH TEMPERATURE"

message.*

An over temperature condition has occurred inside the dryer plenum. (This control is a 300°F limit which automati- cally resets when it cools).

Display shows "METER ROLL DRIVE SYSTEM FAILURE"

message.

The metering roll drive system has failed to turn within two minutes. A faulty D. C. motor, broken chain or jammed roll is a possible cause of this message.

Display shows "RIGHT METERING ROLL FAILURE"

message.

The right metering roll has stopped rotating, or the sensor has been damaged.

Display shows "LEFT METERING ROLL FAILURE"

message.

The left metering roll has stopped rotating, or the sensor has been damaged.

Display shows "AUXILIARY SAFETY SHUTDOWN"

message.

A shutdown has occurred due to a user installed safety feature. This circuit is located between J5-8 and J1-20 terminals on the input/output board.

Display shows "BURNER 1, 2 OR 3 SHUTDOWN LOSS OF

The air switch contacts have opened, indicating insufficient

AIRFLOW" message.*

airflow for burner to operate.

*The number in the warning message designates the fan, burner or plenum where the problem is located. All areas are numbered from the bottom up. For example, the bottom fan is number 1, and the top fan is number 3.

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Airstream PNEG-343 service manual Display shows Burner 1, 2 or 3 Warning Flame