M Series Wall Oven
M Series Wall Oven
Troubleshooting
4-26
#824974 - Revision C - November, 2016
Main Element Circuit
Main element circuit path on the relay board has a redundant DLB system. The bake element and the right convec-
tion element share the same L2 source. As does the broil element and left convection element. While each has it’s
own DLB only one DLB needs to be closed for each pair elements to complete the L2 circuit path. While this makes
the circuit more robust, it prevents testing of individual DLBs to confirm failure. This is not true of the relay (driver).
If the element relay fails it can be tested and confirmed. A relay failure will prevent the element from operating cor-
rectly. Main element circuit is for each oven. A double oven would have an upper and lower Main Element Circuit.
L2L1
Bake
Element
Bake Relay
Rt Convection
Element
Rt Convection Relay
Bake DLB
Rt Convection DLB
Broil
Element
Lt Convection
Element
Broil Relay
Lt Convection Relay
Broil DLB
Lt Convection DLB
Figure 4-24 Relay Board Main Element Circuit
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