Checking Convection Element Operation - Viking DSCD130 Service Manual

Troubleshooting
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.

Checking Convection Element Operation

Ensure house breaker or fuse is not open.
Disconnect power to the range.
Access control board assembly and wiring.
Connect power.
240 VAC present on control board connector
P1 red to P1 black?
Yes
RTD open or shorted?
(See fault codes on page 12).
No
Turn oven function selector to convection bake.
5 VDC present red to black?
Yes
Turn oven function selector to convection bake.
1.29 VDC present red to white?
3.71 VDC present black to white?
Yes
Turn thermostat to 400°.
5 VDC present orange to blue?
Yes
Turn thermostat to 400°.
3.0 VDC present orange to yellow?
2.0 VDC present blue to yellow?
Yes
240 VAC present on
control board P2 white/red to P1 black?
Yes
240 VAC present K17 yellow to P2 white/red?
No
Replace control board.
20
Repair or replace
No
defective wiring.
Yes
Replace RTD.
No
Replace control board.
Replace oven
No
function selector.
No
Replace control board.
No
Replace thermostat.
No
Disconnect power to the range.
Check convection element
Yes
resistance.
No
Replace convection
element.
Replace control board.
Convection element 18.3 ?
Repair or replace
defective wiring.
©2010 Viking Preferred Service
Yes