Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor
before servicing, unless testing requires power.
RS5320016 Rev. 0 12
H.V. board
Pin 1
E1
E2
E3
J5
J1
J2
E4
E5
J3
J4
E7
E6
J7
J6
J8
Pin 28
Pin 1
Pin 1
Pin 1
Pin 1
Pin 1
Pin 1
Pin 1
Pin 50
Clip
Clip
Clip
Clip
Clip
Clip
Clip
In straight convection mode, both elements operate simultaneously.
In combination mode, the rear element will operate simultaneously with either the microwave or front element.
Function Test Set-Up Meter
Setting
Probe Placement Results
Input to H.V. board At H.V. board Volts J1 pin 1 (Black wire)
& J1 pin 2 (Red wire)
Line voltage
Output to display
board
Disconnect
J5 connector
Volts J5 pin 28 &
J5 pin 50
-
24 VDC
NOTE: For the following test, place oven in Service Test Mode (see page 27).
Relay Function Test Set-Up Meter
Setting
Probe Placement Results
K1 Cooling fan Disconnect
J2 connector
Ohms J1 pin 1 (Black wire)
& J2 pin 4
Test mode 5 off
-
no continuity
Test mode 5 on
-
< 1 Ω
K2 Convection
motor
Disconnect
J2 connector
Ohms J1 pin 1 (Black wire)
& J2 pin 3
Test mode 4 off
-
no continuity
Test mode 4 on
-
< 1 Ω
K3 Cavity light Disconnect
J2 connector
Ohms J2 pin 1
& J2 pin 2
Test mode 6 off
-
no continuity
Test mode 6 on
-
< 1 Ω
K4 Heater A
(front)
Disconnect
J3 connector
Ohms E4 & J3 pin 3 Test mode 2 off
-
no continuity
Test mode 2 on
-
< 1 Ω
K7 Microwave Disconnect
J4 connector
Ohms J4 pin 4 &
J4 pin 5
Test mode 3 off
-
no continuity
Test mode 3 on
-
< 1 Ω
K9 Heater B
(rear)
Disconnect
J4 connector
Ohms E6 & J4 pin 1 Test mode 1 off
-
no continuity
Test mode 1 on
-
< 1 Ω
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