TROUBLESHOOTING
35
CAN’T ENTER THE MENU OR DIAGNOSTICS
Note: Prior to checking wires or connections, ensure power has been removed from
vender.
Check the lock switch position.
Check lock switch
wiring.
Power down the vender.
Check lock switch
continuity.
Check connector (P7)
at board.
Can't enter the Menu or
Diagnostics.
Put lock switch
in door open
position.
Repair or
replace.
Replace lock
switch.
Check harness continuity
from switch to HT2 universal
controller or
HT3 controller.
Summary of Contents for DNCB 501E
Page 26: ...MAJOR COMPONENT DESCRIPTION 25 HT2 UNIVERSAL CONTROLLER...
Page 42: ...WIRING DIAGRAMS AND SCHEMATICS 41 HT2...
Page 43: ...TROUBLESHOOTING 42 HT3...
Page 44: ...WIRING DIAGRAMS AND SCHEMATICS 43 Refrigeration Circuit Diagrams...
Page 45: ...WIRING DIAGRAMS AND SCHEMATICS 44...
Page 53: ...PARTS LIST NA Not Applicable Part numbers subject to change without notice 52 SELECT PANEL...
Page 55: ...PARTS LIST NA Not Applicable Part numbers subject to change without notice 54 T8 LIGHTING...
Page 59: ...PARTS LIST NA Not Applicable Part numbers subject to change without notice 58 INNER DOOR...
Page 71: ...PARTS LIST NA Not Applicable Part numbers subject to change without notice 70 CABINET INTERIOR...
Page 81: ...PARTS LIST NA Not Applicable Part numbers subject to change without notice 80 SCREWS NUTS...