Thermador Pro Grand Next Generation PRD48JDSGC/02 Service Manual page 22

Service Manual for the Thermador Pro Grand Next Generation, Dual Fuel Range with Steam Oven, Models: PRD48JDSGC/02, PRD48JDSGU/02
Turn light switch OFF and
then open oven door.
NOTE:
All tests in Oven Light Diagnostics 2 must be performed with the oven door closed, or with the plunger switch pressed in.
TOOLS NEEDED:
Multimeter
Turn light switch
Continuity across
OFF and then remove
bulb?
light bulb.
Replace
bulb
Figure 14: Oven Light Diagnostics
58300000163852_ARA_EN_C
OVEN LIGHT DIAGNOSTICS 1
Is oven light
No
illuminated?
Yes
Go to Oven Light
Diagnostics 2
OVEN LIGHT DIAGNOSTICS 2
Turn light
Yes
switch ON
No
Close oven door and Is oven light
turn light switch ON illuminated?
No
Go to Oven Light
Diagnostics 2
Remove
Is there
light wires
12V DC across No
at control
socket?
board
Yes
Make sure
contacts are clean.
Replace bulb if
necessary.
Make sure plunger doesn't get stuck
in closed position. Check wiring and
Yes
connections. Replace plunger switch
if necessary.
Replace light
Is there
wires at
120V AC across No
control board
CB outlet?
Yes
Check transformer (120V AC
input, and 12V DC output).
Check wire continuity. Check
if wires making connections.
Replace
light switch
No
Is there
120V AC across
light switch?
Yes
Trace wire for
short. Replace
control board if
necessary.
Page 23 of 123