Safety Circuit Shutdown Messages - Airstream PNEG-343 Operation And Service Manual

1300 series three fan portable dryer models
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BURNER 1, 2 OR 3 VAPOR
HIGH TEMPERATURE
The LP gas vapor temperature sensor
located in the gas pipe train downstream
from the vaporizer, has opened indicat-
ing that the vaporizor is running too hot
and must be readjusted. This sensor is
set at 200 F and automatically resets
itself when cool. The message will dis-
tinguish between burner 1 and 2.
BURNER 1, 2 OR 3 WARNING
FLAME NOT DETECTED
The flame sensor has failed to de-
tect a burner flame indicating that the
burner has failed to light, there is a
problem with the flame sensing cir-
cuitry or the dryer is not getting
burner fuel. The message will dis-
tinguish between burner 1 and 2.
FAN 1, 2 OR 3 HOUSING
HIGH TEMPERATURE
The temperature high limit located
on the fan/burner housing has
opened, indicating an over tempera-
ture condition has occurred towards
the rear of the fan/heater housing.
This control is set at 200 F and must
be manually reset. The message will
distinguish between fan 1 and 2.
BURNER 1, 2 OR 3 SHUT-
DOWN LOSS OF AIRFLOW
The contacts in the air switch have
opened due to insufficient airflow for the
burner to operate. The message will dis-
tinguish between burner 1 and 2.
GRAIN DISCHARGE
WARNING
The lid on the grain discharge box
has opened, indicating that grain is
not being taken away fast enough
at the discharge box.
DRYER CONTROL PANEL

SAFETY CIRCUIT SHUTDOWN MESSAGES

LOWER ADJUSTABLE
GRAIN HIGH
TEMPERATURE
An over temperature condition has oc-
curred in the right side (left and right as
viewed from behind the dryer) grain col-
umn causing the control to shut down
the dryer. This control is adjustable
from 80 to 220 F, and automatically
resets itself when cool.
LOWER FIXED GRAIN
HIGH TEMPERATURE
An over temperature condition has oc-
curred in the left side (left and right as
viewed from behind the dryer) grain col-
umn causing the control to shutdown the
dryer. This control is set at 210 F and
automatically resets itself when cool.
MOTOR OVERLOAD
One of the thermal overloads on ei-
ther the fan, load, unload or auxil-
iary motors has opened, indicating
an overcurrent condition. The over-
loads must be manually reset.
OUT OF GRAIN WARNING/
UNLOAD CLEANOUT
The dryer has run low on grain, and
the out of grain timer has timed out,
shutting the dryer down. The unload
auger will clean out the dryer if it is
in continuous flow operation.
12 VOLT POWER
SUPPLY WARNING
The right circuit breaker on the input/
output board has tripped.
L1 VOLTAGE LOST
The left circuit breaker located on
the input/output board of the Elec-
tronic Monitoring Control System
has tripped, or one of the hardware
timers has shut down the dryer.
METERING ROLL DRIVE
SYSTEM FAILURE
The metering roll drive system has
failed to turn. A broken chain or
jammed metering roll is a possibility.
RIGHT METERING ROLL
FAILURE
The right (as viewed from behind the
dryer) metering roll has stopped turn-
ing, or the sensor has been damaged.
LEFT METERING ROLL
FAILURE
The left (as viewed from behind the
dryer) metering roll has stopped turn-
ing, or the sensor has been damaged.
PLENUM 1, 2 OR 3 HIGH
TEMPERATURE
An over temperature condition has
occurred inside the dryer plenum.
This control is a 300 F limit and au-
tomatically resets itself when cool.
The message will distinguish be-
tween plenum 1 and 2.
AUXILIARY SAFETY
SHUTDOWN
A shutdown has occurred due to an
auxiliary installed safety feature.
FAN 1, 2 OR 3 FAILURE
NO AIRFLOW
Contacts in the air switch have opened
due to the fan not turning, or the air switch
may need adjustment. The message will
distinguish between fan 1 and 2.
FAN 1, 2 OR 3 CANNOT
START CHECK AIR SWITCH
The air switch contacts have closed
prior to the fan starting, indicating a
freewheeling blade or improper set-
ting of the air switch. The message
will distinguish between fan 1 and 2.
13

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