SEQUENCE
ANALYSIS
3
01/01/2016
Action:
Main
power
light
"ON",
applies
power
to
high
voltage
circuits,
step
down
transformer
(XMFR1)
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.
Defective
fuses
F1
and/or
F2.
A5.
Defective
transformer
(XMFR1).
B1.
Short
circuit.
B2.
Overload
condition.
B3.
Defective
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
control
circuit
breaker
(CB1),
if
defective,
replace.
A3.
Check
across
L1
&
L3
on
the
main
power
distribution
block.
If
line
voltage
is
not
present,
check
main
panel
disconnect
for
power.
If
fuses
are
defective,
replace.
A4.
Check
to
see
if
voltage
is
present
on
terminal
#1
(HOT)
to
terminal
#N
(NEUTRAL).
If
power
is
not
present,
check
fuse
F1
and
F2.
If
defective,
replace.
A5.
If
fuse
F1
and
F2
are
okay
and
no
voltage
is
present
on
terminal
#1
(HOT)
to
terminal
#N
(NEUTRAL)
the
step
down
transformer
(XMFR
5)
is
defective,
replace.
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.
2A.
Sequence:
Power
switch
(SW1)
to
"RUN",
energizing
temperature
And
moisture
controls
51
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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