Amana CRC18T2OG Service Manual page 19

Component Testing Procedures
To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor
before servicing, unless testing requires it.
Illustration
R0000277 Interlock switch
assembly
COM
Primary
N.O.
COM
Logic
N.O.
Primary
Logic
COM
Monitor
Monitor
N.C.
Secondary
COM
Secondary
N.O.
Type 1 Controller board
P2
Type 1
Pin #1
CRC18T2OG
CRC21T2RL
HDC18
HDC18SD
P1
HDC21
Pin #1
Type 2
Type 2
P2
Pin #1
CRC18T2OG
CRC21T2RL
HDC18
HDC18SD
HDC21
P1
Pin #1
RS2240002 Rev. 1
!
Component
Disconnect wires to switch.
With door open measure resistance from:
Terminal C to NO
Terminal C to NO
Door Closed
Terminal C to NC
C Terminal C to NO
NO
C
NO
With door closed measure resistance from:
C
NC
Terminal C to NO
C
NO
Terminal C to NO
Terminal C to NC
Terminal C to NO
All Models
Line voltage to control board
P2 connector
Pin 1 — Pin 3 .......................................
Output drive voltage to triac
P1323006M Triac terminals
Gate — T1............................................
P1323007M 208 VAC line voltage
Fan relay (controls blower motor, antenna
P1323003M motor(s), and oven light)
Control board..........................................
P1323004M Terminals C — D ..................................
Line voltage sensing relay (automatically
P1323005M switches for 208 or 230 VAC operation)
Control board..........................................
Terminals F — G ..................................
230 VAC line voltage
Fan relay (controls blower motor, antenna
motor(s), and oven light)
Control board..........................................
Terminals C — E ..................................
P1323015M Line voltage sensing relay (automatically
switches for 208 or 230 VAC operation)
Control board..........................................
P1323017M
Terminals F — H ..................................
P1323013M
P1323014M
P1323016M
WARNING
Testing
Primary
Logic
Monitor
Secondary
Primary
Logic
Monitor
Secondary
1 10
P1
19
Results
Infinite
Infinite
Indicates continuity
Infinite
Indicates continuity
Indicates continuity
Infinite
Indicates continuity
Line voltage (All Condition)
0 VAC (Idle and Standby)
0.9 VAC (Cook)
Line voltage (Idle)
0 VAC (Standby and Cook)
Line voltage (Idle)
0 volts (Standby and Cook)
Line voltage (Idle)
0 VAC (Standby and Cook)
Line voltage (Idle)
0 volts (Standby and Cook)
P1 connector used for touch panel
ribbon