Section 5 Trouble-Shooting; Schematic Diagram, Steam-It; 120V - Market Forge Industries STEAM-IT ST-AG Service & Parts Manual

Style f gas operated cooker
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TROUBLE-SHOOTING
-,
4 :
(0) POSITION
ON DIAL
"'-4~-..J"'-""''''--
I
(OFF)
POSITION
ON DIAL
LOW WATER
I
3
1 TIMER
SET
CUTOFF
L__J
INDICATOR
LIGHT
Ll
TIMER
SWI TCH
r-------------..a
...--
III
EXHAUST
VALVE
r-
o
I
--.J
<t:
a:
r-
L-
~~
z
PRESSURE
SWITCH
NC
TIMER
MOTOR
SPARK
IGNITION
PR
ESSU RECONTROL
BOAR
D
SWITCH
NC
,--
---,
4~
...•
~_~1
.A
L2.~I~--------~
RESET
(CIRCUIT
~
I:
B
•••
T
I
-----.
BREAKER)
~
I -
r---L V__
~
J-
Efl
_
V2
ELECTRODE
:
HV
_
'--------
L
..J
SOLENOID
GAS
VALVE
Figure
5-2
SchemaUc
Diagram
Steamtt.
120V
5.4.2 Electrical Inspection
The first step in any electrical
trouble-
shooting
procedure
is a thorough
physical
inspection
of all wiring
connections.
To ac-
cess
electrical
components
remove
the
lower front panel (Figure
7-1, 11),
-and the
chassis assembly (Figure 7-3) as explained
in paragraph 6.3.4.
Check all wiring connections
by hand to
assure
that
both
ends of all connection
points are tightly
secured.
Use a screwdriver
to tighten
connection
points
if
necessary.
Visually
inspect
all
quick-disconnect
ter-
minals for evidence of corrosion. Terminals
in this condition should be
separated,
clean-
ed with sandpaper
until
shiny and tightly
reconnected.
If excessive corrosion is torrn-
ed, the terminals must be
replaced.
Check all
wiring
for
signs
of
cracked
insulation.
Replace any damaged
wiring.
5.4.3 Direct Spark Ignition Control System
The ignition control board and associated
components
are the main electrical
control
for operation of the Steam-It
cooker.
If it is
determined
that
the
electrical
controls
WARNING
Before removing panels or checking
connections
and wiring be sure that
the main circuit breaker for incoming
power to the Stearn-lt
is
OFF.
When
power
is supplied
all exposed
ter-
minals of the control panel
carrv
tzn
volts.
5-5
L2
52127

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