C-series dryer control panel – Grain Systems PNEG-573 User Manual

Page 15

C-SERIES DRYER CONTROL PANEL

SAFETY CIRCUIT SHUTDOWN MESSAGES

The air switch

air switch

air switch contacts have closed

prior to the fan

fan

fan starting, indicating a

freewheeling blade

blade

blade or improper set-

ting of the air switch

air switch

air switch. The message

will distinguish between fans.

L1 VOLTAGE LOST

BURNER VAPOR HIGH

TEMPERATURE

An over temperature condition has oc-
curred in the right side

right side

right side (left and right

as viewed from behind the dryer)
grain column

grain column

grain column causing the control to
shut down the dryer. This control is
adjustable from 80

to 220

F, and au-

tomatically resets itself when cool.

METERING ROLL DRIVE

SYSTEM FAILURE

The metering roll drive

metering roll drive

metering roll drive system

system

system has

failed to turn. A broken chain or jammed
metering roll is a possible cause.

RIGHT METERING ROLL

FAILURE

The right

right

right (as viewed from behind the

dryer) metering roll

metering roll

metering roll has stopped turn-

ing, or the sensor has been damaged.

The left circuit breaker

left circuit breaker

left circuit breaker located on

the input/output board

input/output board

input/output board of the Elec-

Elec-

tronic Monitoring Control System

tronic Monitoring Control System
has tripped, or one of the hardware
timers has shut down the dryer.

LOWER ADJUSTABLE

GRAIN HIGH

TEMPERATURE

FAN CANNOT

FAN CANNOT START

START

CHECK AIR SWITCH

The left

left

left (as viewed from behind the

dryer) metering roll

metering roll

metering roll has stopped turn-

ing, or the sensor has been damaged.

LEFT METERING ROLL

FAILURE

An over temperature condition has
occurred inside the dryer plenum

dryer plenum

dryer plenum.

This control is a 300

F limit and au-

tomatically resets itself when cool.
The message will distinguish be-
tween plenums.

PLENUM HIGH

TEMPERATURE

The right circuit breaker

right circuit breaker

right circuit breaker on the in-

in-

put/output board

put/output board has tripped.

The flame sensor

flame sensor

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 burners.

The temperature high limit

temperature high limit

temperature high limit located

on the fan/burner housing

fan/burner housing

fan/burner housing has

opened, indicating an over tempera-
ture condition has occurred towards
the rear of the fan/heater housing

fan/heater housing

fan/heater housing.

This control is set at 200

F and must

be manually reset. The message will
distinguish between fans.

FAN HOUSING HIGH

TEMPERATURE

The LP gas vapor temperature sen-

temperature sen-

sor

sor located in the gas pipe train

gas pipe train

downstream from the vaporizer, has
opened indicating that the vaporizer
is running too hot and must be read-
justed. This sensor is set at 200

and automatically resets itself when
cool. The message will distinguish
between burners.

BURNER WARNING FLAME

NOT DETECTED

The lid on the grain discharge box

lid on the grain discharge box

has opened, indicating that grain is
backing up into the discharge box

discharge box

discharge box.

GRAIN DISCHARGE

WARNING

The contacts in the air switch

air switch

air switch have

opened due to insufficient airflow for
the burner

burner

burner to operate. The message

will distinguish between burners.

BURNER SHUTDOWN

LOSS OF AIRFLOW

LOWER FIXED GRAIN

HIGH TEMPERATURE

An over temperature condition has oc-
curred in the left side

left side

left side (left and right as

viewed from behind the dryer) grain col-

grain col-

umn

umn causing the control to shutdown
the dryer. This control is set at 210

and automatically resets itself when cool.

MOTOR OVERLOAD

One of the thermal overloads

thermal overloads

thermal overloads on

either the fan, load, unload

fan, load, unload

fan, load, unload or aux-

aux-

iliary motors

iliary motors has opened, indicat-
ing an overcurrent condition. The
overloads

overloads

overloads must be manually reset.

OUT OF GRAIN WARNING/

UNLOAD CLEANOUT

12 VOLT POWER

SUPPLY WARNING

The dryer has run low on grain, and
the OUT OF GRAIN TIMER has
timed out, shutting the dryer down.
The unload auger

unload auger

unload auger will clean out the

dryer if it is in continuous flow op-
eration with the unload switch on.

The air switch

air switch

air switch contacts have opened.

The fan

fan

fan may not be turning, or the air

air

switch

switch may need adjustment. The mes-
sage will distinguish between fans.

FAN FAILURE NO AIRFLOW

A shutdown has occurred due to an
auxiliary installed safety feature.

AUXILIARY SAFETY

SHUTDOWN