GE JS998 Series Technical Service Manual page 37

RELAY CONTROL TABLE - DOUBLE WALL OVEN
AC VOLTAGES
Main Pwr Board /
DWO Board Relay
SERVICE MODE
ON=120VAC (L1-N or L2-N)
Function
or 240VAC (L1-L2)
OFF=0V
Right Cooling Fans
L2 = J4-8 (K1-NO)
Right Cooling Fan Upr
Cooling Fan Lwr
N = J103
R CoolingFans -> On/Off
Left Cooling Fans
L2 = J4-7 (K5-NO)
Mag Stirrer
Mag Fan
HVT Fan
N = J103
L CoolingFans -> On/Off
L1 = J4-5 (K13-NO)
Oven Lights Upper
Ovenlight -> up-arrow -> On/Off
N = J103
HVT T2 = L2 = J107 (K9-NO)
OR
Microwave
HVT T3 = L2 = J105 (K9-NC)
CookingLoads -> up arrow
-> MW
HVT T1 = L1 = J114
L2 = J4-9 (K106-NO)
Vent Fan
VentFan -> On/Off
N = J103
Convection Element L1 = K10-NO
Upper
CookingLoads -> up arrow
-> ConvElem L2 = K102-NO (DLB)
Convection Fan L1 = J4-2 (K105-NC)
Upper Clockwise
CookingLoads -> up arrow
-> ConvFan -> CW N = J103
Convection Fan
L1 = J4-3 (K105-NO)
Upper Counter
Clockwise
CookingLoads -> up arrow
N = J103
-> ConvFan -> CCW
L1 = K7-NO
Broil Element Upper
CookingLoads -> up arrow
-> Broil
L2 = K11-COM (DLB)
L1 = K8-NO
Bake Element Upper
CookingLoads -> up arrow
-> Bake
L2 = K11-COM (DLB)
L1 = J113 (K103-NO)
Bake2 Element Upper
CookingLoads -> up arrow
-> Bake2
L2 = K11-COM (DLB)
L1 = J4-1 (K2-COM)
Door Latch Upper
DoorLatch -> up-arrow
-> Lock/Unlock
N = J103
L1 = K14-NO
Broil Element Lower
CookingLoads
-> down arrow -> Broil
L2 = K121-COM (DLB)
L1 = K17-NO
Bake Lower
CookingLoads
-> down arrow -> Bake
L2 = K121-COM (DLB)
Convection Element
L1 = K20-NO
Lower
CookingLoads
L2 = K121-COM (DLB)
-> down arrow -> ConvElem
N = J11-1 (K16-NO)
OR
Oven Light Lower
Plunger Switch - NO
Ovenlight -> down arrow
-> On/Off
L1 = J114
N = J11-3 (K15-COM)
AND
Door Latch Lower
Plunger Switch - NC
DoorLatch -> down arrow
-> Lock/Unlock
L1 = J114
L1 = J11-4 (K122-NC)
Convection Fan
Lower Clockwise
CookingLoads
-> down arrow
-> ConvFan -> CW
N = J103
Convection Fan
L1 = J11-5 (K122-NO)
Lower Counter
Clockwise
CookingLoads
-> down arrow
N = J103
-> ConvFan -> CCW
Note : Ground reference for dc voltage measurements
is J3-2 or J3-4 on MPB or J5-2 or J5-4 on MLB
DC VOLTAGES
Relay Control Relay Control
Enable = 4.2Vdc
ON = 0Vdc ON = 4.6Vdc
Disable = -14.0Vdc
OFF = 12Vdc OFF = -14.0Vdc *
MPB J1-10
MLB J3-10
MPB J1-9
MLB J3-9
MPB J1-4
MLB J3-4
MPB J1-17
MLB J3-17
MPB J1-1
OR
MLB J3-1
MPB J1-17 OFF
MLB J3-17 OFF
MPB J1-3
MLB J3-3
MPB J1-8 MPB J1-1
MLB J3-8 MLB J3-1
MPB J1-12
MLB J3-12
MPB J1-16 OFF
MLB J3-16 OFF
MPB J1-16
MLB J3-16
MPB J1-6 MPB J1-1
MLB J3-6 MLB J3-1
MPB J1-11
MLB J3-11
MPB J1-7 MPB J1-1
MLB J3-7 MLB J3-1
MPB J1-11
MLB J3-11
MPB J1-18 MPB J1-1
MLB J3-18 MLB J3-1
MPB J1-11
MLB J3-11
MPB J1-14
MLB J3-14
LRB J9-4 LRB J9-2
MLB J4-4 MLB J4-2
LRB J9-7
MLB J4-7
LRB J9-5 LRB J9-2
MLB J4-5 MLB J4-2
LRB J9-7
MLB J4-7
LRB J9-6 LRB J9-2
MLB J4-6 MLB J4-2
LRB J9-7
MLB J4-7
MPB J9-10
MLB J4-10
MPB J9-13
MLB J4-13
MPB J9-12
MLB J4-12
MPB J9-12
MLB J4-12
MPB = Main Power Board * OFF = 0Vdc if Disable = -14Vdc
MLB = Main Logic Board ** Lower oven cooling fan may take up to 90 min. to turn off.
LRB = Lower Oven Relay Board
– 37 –
Notes
Fan comes on when entering the
cooking loads menu.
Fan comes on when entering the
cooking loads menu.
K6 (Mag Main Relay) must be energized
MPB J1-5 ON (4.6Vdc)
MLB J3-5 ON (4.6Vdc)
Note: MagTap is automatically selected
by Line Voltage
Fan comes on when entering the
cooking loads menu.
K4 (Convection Fan Relay) must be
energized
MPB J1-15 ON (0Vdc)
MLB J3-15 ON (0Vdc)
K4 (Convection Fan Relay) must be
energized
MPB J1=15 ON (0Vdc)
MLB J3-15 ON (0Vdc)
Broil upper must be turned off
Broil upper must be turned off
Broil Lower must be turned off
Broil Lower and Bake Lower must be
turned off
Door Latch Motor Disabled by Plunger
Switch when Door is Open
ConvFan Disabled by Plunger Switch
when Door is Open
K18 (Conv Fan Low Relay) must be
energized
LRB J9-11 ON (0Vdc)
MLB J4-11 ON (0Vdc)
ConvFan Disabled by Plunger Switch
when Door is Open
K18 (Conv Fan Low Relay) must be
energized
LRB J9=11 ON (0Vdc)
MLB J4-11 ON (0Vdc)