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SEQUENCE
ANALYSIS
10
01/01/2016
D2a.
Front
low
grain
switch
(SW9).
If
voltage
(120
volts)
is
present
on
terminal
#15
check
voltage
on
terminal
#16
with
switch
paddle
engaged.
If
voltage
is
not
present
the
low
grain
switch
front
(SW9)
is
defective,
replace.
D2b.
Rear
low
grain
switch
(SW10).
If
voltage
(120
volts)
is
present
on
terminal
#16
check
voltage
on
terminal
#17
with
switch
paddle
engaged.
If
voltage
is
not
present
the
low
grain
switch
rear
(SW10)
is
defective,
replace.
E.
Check
for
empty
wet
grain
supply.
Check
auxiliary
load
system
for
plugging,
broken
belt,
improper
flow
rate,
undersized
load
system,
etc.
That
may
restrict
grain
flow
to
dryer.
F.
Adjust
tilt
switches
(low
and/or
high)
in
high
/
low
grain
monitor
box
(auger
only).
Adjust
low
tilt
switch
so
that
the
load
system
will
turn
"on"
just
before
the
grain
paddle
swings
to
a
straight
down
position.
Adjust
high
tilt
switch
so
that
the
load
system
will
turn
off
when
the
grain
pushes
the
paddle
forward
to
40°
angle.
4.
Sequence:
Fan
operation
switch
(SW2)
to
"START",
hold
until
all
fans
are
operational.
Action:
Fan
starter(s)
(S1,
S2,
S3,
S4)
start
and
lock
into
operation
(3
seconds
delay
between
fans
on
multi
fan
units).
All
fan
proven
light(s)
on
(LT13,
LT14,
LT15,
LT16)
will
be
“ON”
after
airflow
is
proven.
The
purging
light
(LT17)
will
light
and
after
30
seconds
the
burner
ready
light
(LT18)
will
light.
Note
:
Fan
number
one
(#
1)
is
closest
to
control
panel.
Symptoms:
A.
Dryer
shuts
down
immediately
or
during
fan(s)
(S1,
S2,
S3,
S4)
startup.
B.
Fan
starter(s)
(S1,
S2,
S3,
S4)
will
not
lock
into
operation
when
fan
switch
(SW2)
is
released.
C.
Some
or
none
of
the
fan
proven
light(s)
(LT13,
LT14,
LT15,
LT16)
stay
lit,
after
the
fan
starter(s)
(S1,
S2,
S3,
S4)
lock
into
operation.
D.
Purging
light
(LT17)
will
not
light.
E.
Burner
ready
light
will
not
light.
Possible
Causes:
A1.
Overload(s)
on
fan
starter(s)
(S1,
S2,
S3,
S4),
tripped.
A2.
Fan
air
sensor(s)
(AS1,
AS2,
AS3,
AS4),
shorted.
A3.
Misc.
short
circuit(s)
in
system.
58
Summary of Contents for DP
Page 1: ...Operation Manual 2016 MODELS MSF DP DPSL DPXSL DPX4T DPX8T DPX12T DPX16GT Grain Dryer ...
Page 2: ......
Page 4: ...2 ...
Page 6: ...GENERAL 2 01 01 2016 Dryer Labels Location 4 ...
Page 7: ...GENERAL 3 01 01 2016 5 ...
Page 14: ...12 ...
Page 24: ...STARTUP 10 01 01 2016 Alarm Limit Indication Error Messages 22 ...
Page 25: ...STARTUP 11 01 01 2016 23 ...
Page 26: ...STARTUP 12 01 01 2016 24 ...
Page 32: ...STARTUP 18 01 01 2016 GRAIN SHRINKAGE TABLE SHRINKAGE WHEN GRAIN IS DRIED TO THESE LEVELS 30 ...
Page 46: ...STARTUP 32 01 01 2016 Alarm Limit Indication Error Messages 44 ...
Page 47: ...STARTUP 33 01 01 2016 45 ...
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