Dixie Narco DNCB 501E - Select Panel Troubleshooting Chart (Menu Access)

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SELECT PANEL PROBLEMS
Problem: Cannot enter menu or diagnostic menu.
Power vender down.
Check door switch
wiring. O.K.?
Repair door switch
wiring.
Put door switch in
proper position.
(Cheater switch
position.)
Replace door switch.
Repair ground wire.
Check door switch for
proper position.
O.K.?
Check door switch
continuity. O.K.?
Check switch ground
wire for continuity.
O.K.?
Call Dixie-Narco
Factory Service.
Repair connector.
Check P4 connector
for bent pins. O.K.?
Check continuity
from door switch to
P4. O.K.?
Repair wiring.
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes