Service manual

troubleshooting trees
T r o u b l e s h o o T i n g T r e e s • C o m b i t h e r m C t e x p r e s s t e C h n i C a l s e r v i C e m a n u a l • D – 14
No Catalytic Converter (CC) Operation
Is there voltage across
terminal 1-6 at CC
element?
Is CC element drawing
current?
Inspect vents inside oven
and ensure they are clear of
obstruction, Inspect catalyst
for integrity
L1/1 from RBH X2/200
through CC 3A fuse (test
fuse) L2/6 from TB
No
Yes
Yes
No
Ohm out CC element,
replace if necessary
Yes
If all ok, CC is working
properly