SEQUENCE
ANALYSIS
11
01/01/2016
B1.
Defective
fan
switch
(SW2).
B2.
Defective
starter
coil
(S1,
S2,
S3,
S4).
B3.
Defective
starter
interlock
(AC1,
AC2,
AC3,
AC4).
B4.
Defective
fan
timer
(TD6,
TD7,
TD8).
C1.
Incorrect
fan
rotation.
C2.
Defective
fan
air
sensor
(AS1).
Defective
fan
proven
light
(LT13).
C3.
Defective
fan
air
sensor
(AS2).
Defective
fan
proven
light
(LT14).
C4.
Defective
fan
air
sensor
(AS3).
Defective
fan
proven
light
(LT15).
C5.
Defective
fan
air
sensor
(AS4).
Defective
fan
proven
light
(LT16).
D1.
Defective
fan
sensor
relay
(TD5).
Defective
purging
light
(LT17).
E1.
Defective
purge
relay
(TD4).
Defective
burner
ready
light.
Corrective
Note:
The
burner
switch
(SW3)
must
be
in
"OFF"
position
Action:
A1.
One
or
more
starter
overloads
(S1,
S2,
S3,
S4)
have
tripped
from
a
motor
drawing
high
amperage.
Determine
which
one
is
open.
Reset
tripped
overload.
It
will
be
necessary
to
determine
if
a
short
circuit
or
overload
condition
exists
in
this
isolated
system
and
what
corrective
steps
need
to
be
taken
to
resolve
this
condition.
Other
possible
causes
could
be:
(1)
Bad
fan
starter
overload
module,
replace;
(2)
Fan
pitch
set
to
high,
re
‐
pitch
to
correct
setting;
(3)
Incorrect
setting
on
overload,
set
overload
to
motor
full
load
amps;
(4)
Loose
wiring
connections
on
terminals,
tighten.
A2.
Check
the
terminations
inside
the
fan
air
sensor(s)
(AS1,
AS2,
AS3,
AS4)
to
insure
the
switch
has
not
come
loose
or
the
terminals
are
tight
and
a
wire
is
not
shorting
against
the
case.
The
fan
air
sensor(s)
(AS1,
AS2,
AS3,
AS4)
are
located
in
the
cooling
chamber
on
the
side
of
the
fan
drum.
A3.
Repair
or
replace
burned
or
bare
wiring
in
contact
with
chassis
or
other
wiring.
B1.
If
voltage
is
present
on
terminal
#18
(120
volts)
then
check
for
voltage
on
terminal
#24
(120
volts)
while
holding
the
fan
switch
(SW2)
in
the
"START"
position.
If
no
voltage
is
present
59
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 ...
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