©2018 ACP, Inc.
Cedar Rapids, IA 52404 Page 52 of 80
Part No. 16400033
Original Instructions
Autotransformer and Snubber
Autotransformer and Snubber
The Autotransformer circuit provides constant voltage to the Power Board and Cooling Fans. The Snubber is in
place to reduce voltage spikes.
Testing
With oven disconnected from the Power Supply, disconnect the Wires from the device.
Autotransformer:
Check resistance between terminals:
230 to 0 = 38 Ω
208 to 0 = 35 Ω
120 to 0 = 25 Ω (not used)
All Terminals to Ground = Open
Snubber:
Continuity – Open
Capacitance – 0.09μf
Removal and Replacement
1. Disconnect oven from Power Supply.
2. Remove Top, Right, Left and Rear Panels
(see Panel Removal).
3. Note all Wire locations.
4. Remove all Wires from the device.
5. Remove two (2) Screws securing device.
6. To replace, reverse these steps.
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