ACP MOC24 - Page 16

14
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.
Illustration
Component
Testing
Results
Transformer, HV
Discharge Capacitor
Remove all wires from terminals.
Measure resistance from:
230 to COM ..........................................
208 to COM ..........................................
230 to Ground
208 to Ground----------------------------------
Terminal 5 to 6---------------------------------
Terminal 7 to 8---------------------------------
Terminal 4 to Ground-------------------------
Less than 1 
Less than 1 
Infinite
Infinite
Less than 1 
Less than 1 
Approximately 27 
Main board
See Main Board page 5
Left interlock switch assembly
Disconnect wires to switch.
(Mechanical)
With door open measure resistance from:
Monitor – Terminals Rd- Bk..............
Primary – Terminals Bk - Brn ...........
With door closed measure resistance from:
Monitor – Terminals RD - BK ...........
Primary – Terminals BK - BN ...........
After verifying or replacing the
assembly, re-connect wires to switch
and check operation of monitor circuit
before operating the oven.
Indicates continuity
Infinite 
Infinite 
Indicates continuity
Right interlock switch
assembly
(Mechanical)
Disconnect wires to switch.
With door open measure resistance from:
Monitor – Terminals RD- BK ............
Secondary – Terminals GY -RD.......
With door closed measure resistance from:
Monitor – Terminals RD - BK ...........
Secondary – Terminals GY - RD......
After verifying or replacing the
assembly, re-connect wires to switch
and check operation of monitor circuit
before operating the oven.
Indicates continuity
Infinite 
Infinite 
Indicates continuity
Transformer, control
(1) BU to (5) BR ----------------------------- --
Approximately 40  or Line Voltage
(6) YL to (10) WH-------------------------------
Approximately 1  or 28 VAC
Fan, cooling
Disconnect connector from fan.
Measure voltage at incoming leads ...........
Approximately 24VDC
Fan, exhaust
Disconnect connector from fan.
Measure voltage at incoming leads .......
Approximately 24VDC