Amana KFC2W2, Service Training Manual

Page: 36 / 58

34
Component Testing Procedures (Invensy Board)
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor
before servicing, unless testing requires power.
H.V. board (Invensy)
Pin 1
E1
E2 E3
J5
J1
J2
E4
E5
J3
J4
E7
E6
J7
J6
J8
Pin 1
Pin 1
Pin 1 Pin 1
Pin 1
Pin 1
Function Test Set-Up Meter
Setting
Probe Placement Results
Input to H.V. board At H.V. board Volts J1 pin 1 (Brown wire)
& J1 pin 2 (White wire) Line voltage
Output to display
board
Volts R-56 Test point A
& D-26 Test point B 25 to - 30VDC
NOTE: For the following test, place oven in Service Test Mode .
Relay Function Test Set-Up Meter
Setting
Probe Placement Results
K1 at
230 VAC
line voltage Blower motor
Antenna motor
Cavity light Disconnect
J2 connector Ohms J1 pin 1 (Brown wire)
& J2 pin 4 Test mode 5 off no continuity
Test mode 5 on < 1
Ω
K2 at
208 VAC
line voltage Blower motor
Antenna motor
Cavity light Disconnect
J2 connector Ohms J1 pin 1 (Brown wire)
& J2 pin 3 Test mode 5 off no continuity
Test mode 5 on < 1 Ω
R-56
A
At H. V. board
D-26
B