ACP AOC24, Руководство по обслуживанию

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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