GE JS760 Service Manual page 3

30" RADIANT SLIDE-IN CONVECTION RANGE
WARNING
Electrical Shock Hazard
DISCONNECT POWER BEFORE SERVICING
IMPORTANT: Reconnect all grounding devices. All parts of this appliance capable
of conducting electrical current are grounded. If grounding wires, screws, straps,
clips, nuts or washers used to complete a path to ground are removed for service,
they must be returned to their original position and properly fastened.
GROUNDING SPECIFICATIONS
Insulation Resistance 250K
INSTALLATION REQUIREMENTS
Power Supply:
and connected to an individual properly grounded branch circuit, protected by a circuit
SURFACE UNIT SWITCHES
CONTROL PANEL ASSEMBLY
Removing Faceplate
1. 1. Remove the two screws holding the
2.
3. Unscrew all faceplate retainers while 2. Remove steel control panel insert by
holding the faceplate against the
3. From the rear of the control panel
assembly, unplug wires and remove
4. Move the faceplate 3 inches away
from the control panel and unplug the 4. Repeat steps in reverse order to
5. Repeat steps in reverse order to
RADIANT HEATING ELEMENT SYSTEMS
Heating Elements: The radiant heating element consists of a resistance
a corrosion-protected metal tray.
The Heating Elements come in four sizes:
Heating Element
• 6" – 240 Volt, 1200 Watts
• 9"/6" – 240 Volt, 3100 Watts
Micro Porous
Insulation • 12"/9" – 240 Volt, 3000 Watts
Ceramic Fiber • Warmer – 240 Volt, 120 Watts
Molded Walls
Metal Tray
NOTE: Installation
WARNING
information is for reference
only. See Installation
Tip-Over Hazard
A child or adult can tip the range and be killed.
Instructions shipped with
Verify the anti-tip bracket has been properly
the product for complete
installed and engaged.
details and before
Ensure the anti-tip bracket is re-engaged when
attempting to install. the range is moved.
Do not operate the range without the anti-tip bracket
Bracket should be
in place and engaged.
Failure to follow these instructions can result in
to hold either the right or
death or serious burns to children or adults.
left rear leveling leg. Make
sure the leveling leg re-engages the bracket when the range is moved for any reason.
Attachment to Wall or Floor
Adjacent Cabinet or Final
Anti-Tip Bracket
Location of Range Side Panel
Wall Holes
Wood Floor Holes
Screw Must
Enter Wood or
Anti-Tip Bracket Side
Rear Leveling Metal
Leg of Range Concrete Floor Holes
SH. 1 of 4
31-17264
TEMPERATURE LIMIT/HOT LIGHT SWITCH
The Temperature Limit/Hot Light Switch performs two functions:
1. Turns on HOT LIGHT
will remain on until the glass surface above the heating unit has cooled below 150°F
2. Detects when glass temperature above a unit has exceeded its limit of approximately
The Temperature Limit/Hot Light Switch cannot be calibrated.
DUAL CIRCUIT CONTROL
This element has two cooking zones:
• To use the large cooking area, push to turn the control knob clockwise to the
• To use the small cooking area, push to turn the control knob counterclockwise to the
When a cooking zone is activated, coils beneath the zone radiate heat through the
REMOVABLE OVEN DOOR
COMPONENT COMPARTMENT AIRFLOW
The oven uses a fan for cooling the components. Air is pulled in by the fan blades
and circulated in the component compartment. The air is exhausted through
louvers below the control panel and out the slots above the door.
DOOR ASSEMBLIES:
The doors can be separated into two assemblies: (1) Outer assembly which
consists of handle, vent trim, outer glass, bottom trim and frame; (2) Inner
assembly which consists of inner panel, gasket, glass panels and insulation.
The assemblies are held together by 2 screws on each side, along with 4 screws
across the bottom.
CAUTION
Care must be taken when mounting door handle not to
overtighten handle screws. Overtightening screws can damage handle. Hand-
panel.
SELF-CLEAN DOOR GASKET:
The door gasket is attached to the inner door panel
1.
2.
3.
REMOVABLE OVEN DOOR
The door is very heavy. Be careful when removing
and lifting the door. Do not lift the door by the handle.
To Remove:
1.
2. Push the hinge locks down toward the door frame,
Pull hinge locks down to unlock
3.
4. Close door to the door removal position, which is halfway
5.
Removal position
To Replace:
1. Firmly grasp both sides of the door at
Bottom Edge
of Slot
2. With the door at the same angle as the
removal position, seat the indentation of
the hinge arm into the bottom edge of the
Hinge
3.
Lock
the indentation is not seated correctly in the bot-
4. Push the hinge locks up against the front frame of
Wall
Plate
Hinge Arm
5.
Push hinge locks up to lock
CONTROL PANEL ASSEMBLY AND REMOVAL
The control panel contains the Main Logic Board, burner cooktop touch boards and
HOT LIGHT
To service:
WARNING
COOKTOP REMOVAL
CAUTION
To Remove:
1.
2.
3.
the following:
press the center of the plastic lower
trim at the maintop contact point
towards the control panel assembly
4. Unplug the wiring connections
that connect to the enclosure and
5. Unplug the remaining connections
from the main harness that connects
6. Remove 6 screws securing the plastic lower trim to the maintop frame and remove
7.
8.
9.
ELECTRONIC OVEN CONTROL
Slot
CAUTION
Components are electrically HOT on control when
voltage is connected to oven. The Electronic Oven Control system consists
of the control, key panel, oven sensor, door and lock assembly.
NOTE:
Hinge Lock
VOLTAGE MUST BE PRESENT ACROSS TERMINALS L1 TO N FOR CON-
TROL TO OPERATE.
CONTROL VOLTAGE
Terminals
Hinge Arm
L1 to BROIL
Indentation
•
voltage from J903
ELECTRONIC OVEN CONTROL (Cont)
THERMAL CUTOUT SWITCH
open the L2 leg of the power to the heating elements in the event of an over-
OVEN SENSOR AND DOOR SWITCH OHMMETER TEST
(See "Motorized Door Lock Operation" for door switch function explanation.)
Remove power from oven. Make resistance measurement from side of sensor
and lock switch connector, with exposed terminals disconnected from
control.
BAKE
"L1" BLACK
240 V
CONV BAKE
L1
2850 W
BROIL BAKE
RLY RLY
Oven Sensor and Lock Switch Connector
Door Lock
MOTOR SWITCH
J401
YR
OX
VX
NW
RTD1
V
WX
10
Voltage
CONTROL VOLTAGE
TERMINALS VOLTAGE
oven is not calling for heat
L1-N 120VAC ALL THE TIME
L2-N 120 VAC ALL THE TIME
L1-L2 240 VOLTS when oven is not calling for
heat (BAKE, CONV., and BROIL relay
contacts open).
CN600-7-N 120 VOLTS when light is on.
CN600-1-N 120 VOLTS not locking or unlocking, door
closed
CIRCUIT TERMINALS
Door Unlatched 1-2
K906
and open 1-3
**If convection fan is not working,
make the following checks:
• Check the voltage from terminal CF
to N on control—it should read 120V
in Conv Bake or Roast mode. If not,
replace the control.
• If voltage is OK, check the
convection fan motor. It reads
approximately 15–20 at room
temperature. Check to make sure the
fan shaft is not rubbing on the oven
liner.
THERMAL CUT-OUTS
BROIL AND CLEAN UNTIL AFTER 750 F IS REACHED
"L1" BLACK "L2" RED
"L2" RED
14.2A
BROIL
16.7 A
L1 BR
DBL 40000 W
TCO
RLY BROIL QTH DLB
TCO RELAY RELAY RELAY
5 V-Splice GND
YR
YR
Door Plunger
CONVECTION
"L1" BLACK "L2" RED
240 V
CONVECTION
L1
10.42 A
DLB
BROIL RLY BAKE RLY CONV RLY 2500 W
TCO
RLY
N
CONV FAN
L1
M
K902 CW
RLY
CCW
CONV FAN RLY
*If oven light is not working, make
the following checks:
• Check oven light bulb.
• Light is to come on when door is
opened–check voltage across light
socket terminals; voltage should
read 120 VAC. If 0 volts, check
jamb switch and wiring.
• Light is to come on when control
light pad is pressed. K906 should
OHMS
click–check voltage from J703-1
to Neutral. Voltage should read
120 VAC. If 0 volts, check oven
open
light keypad using ohmmeter test.
open
If keypad is good, replace the
control.