SEQUENCE
ANALYSIS
2
01/01/2016
1A.
Sequence:
main
circuit
breaker
"ON"
*(230V
‐
1P,
240V
‐
3P
systems)
*
Action:
Main
power
light
"ON",
applies
power
to
high
voltage
circuits
and
120v
control
circuit
breaker
(CB1).
Symptoms:
A.
No
main
power
light
(LT1).
B.
Control
circuit
breaker
(CB1)
has
tripped.
Possible
Causes:
A1.
Defective
main
power
light
(LT1).
A2.
Defective
control
circuit
breaker
(CB1).
A3.
Defective
fuse
in
main
panel
disconnect.
A4.
Missing
120
volt
wire.
B1.
Short
circuit.
B2.
Overload
condition
has
occurred.
B3.
Defective
control
circuit
breaker
(CB1).
Corrective
Action:
A1.
Check
terminal
#2
for
120
volts.
If
power
is
Present
the
main
power
light
(LT1)
is
defective,
replace.
A2.
Check
circuit
breaker
(CB1)
for
fault.
A3.
Check
across
L1
&
L3
(L2
on
1P)
on
the
main
power
distribution
block.
If
240
volts
is
not
present,
check
main
panel
disconnect
for
power
and
if
fuses
are
defective,
replace.
(Wild
Leg
is
on
L2
–
3P
only)
A4.
If
voltage
is
present
across
L1
&
L3
(L2
on
1P)
on
the
main
power
distribution
block,
check
to
see
if
the
black
wire
is
connected
from
L1
on
the
main
power
distribution
block
to
the
positive
side
on
the
120V
panel
power
distribution
block
(TB2).
Also
check
to
see
that
the
ground
lead
(green
wire)
is
connected
to
chassis
ground
and
the
common
lead
of
the
incoming
power
source
is
connected
to
chassis
ground.
B1.
Repair
or
replace
burned
or
bare
wiring
in
contact
with
chassis
or
other
wiring.
B2.
Check
current
for
any
overload
conditions
and
Correct.
B3.
Inspect
circuit
breaker
(CB1)
for
defect.
Replace.
1B.
Sequence:
Main
circuit
breaker
"ON"
*(380V,
480V,
575V
‐
3P
systems)*
50
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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