SEQUENCE
ANALYSIS
6
01/01/2016
and
#21.
Voltage
should
be
present
on
each
terminal
about
every
2
to
4
seconds
while
the
feedrolls
are
turning.
If
voltage
is
not
present
on
both
terminals
check
feedroll
monitor
switch
(SW8)
for
correct
operation
and
cam
nut
adjustment
located
on
feedroll
sprocket.
Adjust
cam
nut
or
replace
feedroll
monitor
switch
(SW8).
If
voltage
is
present,
check
the
time
delay
relays
(TD2
&
TD3)
for
proper
operation
and
setting
(60
sec.).
Set
to
60
seconds
or
replace
if
defective.
A5.
If
voltage
is
present
on
terminal
#8
(120
volts
then
check
for
voltage
on
terminal
#9
(120
volts)
while
holding
the
power
switch
(SW1)
in
the
"START"
position.
If
no
voltage
is
present,
check
the
discharge
overflow
switch
for
correct
operation
or
if
an
overflow
condition
has
tripped
the
switch.
Clear
the
overflow
or
replace
the
switch.
If
voltage
is
present
on
terminal
#9
(120
volts)
the
discharge
overflow
light
(LT5)
is
defective,
replace.
A6.
If
voltage
is
present
on
terminal
#9
(120
volts)
then
check
for
voltage
on
terminal
#10
(120
volts)
while
holding
the
power
switch
(SW1)
in
the
"START"
position.
If
no
voltage
is
present,
one
of
the
exhaust
temperature
limits
has
tripped
because
of
excessive
exhaust
air
temperature
or
is
defective.
With
the
power
switch
(SW1)
in
the
"OFF"
position,
check
continuity
on
exhaust
limits.
Open
circuit
indicates
tripped
or
defective
limit
switch.
If
still
open
after
dryer
cools
down,
switch
is
defective.
Replace.
If
voltage
is
present
on
terminal
#10
(120
volts)
the
exhaust
temperature
limit
light
(LT6)
is
defective,
replace.
A7.
If
voltage
is
present
on
terminal
#10
(120
volts)
then
check
for
voltage
on
terminal
#11
(120
volts)
while
holding
the
power
switch
(SW1)
in
the
"START"
position.
If
no
voltage
is
present,
one
or
both
of
the
access
door
switches
are
open
because
of
an
open
plenum
and/or
cooling
door
or
switch
is
defective.
If
a
door
is
open,
close
and
latch
it
(be
sure
switch
activating
angle
is
adjusted
to
push
the
plunger
of
the
switch
in
far
enough
to
activate
the
switch
contacts).
If
door(s)
are
closed
and
adjusted
properly,
with
the
power
switch
(SW1)
in
the
"OFF"
position,
check
continuity
across
the
brown
to
blue
lead
on
each
switch.
Open
circuit
indicates
switch
is
defective,
replace.
If
voltage
is
present
on
terminal
#11
(120
volts)
the
access
door
switch
light
(LT7)
is
defective,
replace.
54
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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