Service manual

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 – 31
troubleshooting trees
No Browning Bar Heat (208-240V, 3PH)
A1/L1 supplied from RBH/
X3/306, L2 supplied from N7
high limit
Is L1/L2/L3 power across
terminals 1/3/5 on K-61
contactor?
Yes
No
Is K-61 Browning Bar
contactor energized?
No
Yes
Repair wiring between
1/3/5 on K-61 and main TB
Replace K-61 contactor
Is L1/L2/L3 power across
terminals 2/4/6 on K-61
contactor?
No
Is power across terminals
1/6 and 2/5 and 3/4 on
E-61 browning element?
Repair wiring between
K-61 and Browning Bar
element
Is Browning Bar element
drawing current?
Ohm out Browning Bar element
and replace if required
No
Yes
Yes
No
Browning Bar element active
Yes