Part No. 900-68702
4 - 7
Section 4: Troubleshooting
Troubleshooting Chart 4-2
(Problem/Solution)
P
ROBABLE
C
AUSE
P
ROBLEM
S
OLUTION
Two motors run simultaneously
Fluorescent light does not light
Cannot buy from row 4
Fan does not run
Display always shows "SYSTEM OK"
Replace
Repair or replace wire harness.
Replace
Set switch to OFF
Replace Controller
Check for 120 VAC @ fan connector
Replace
Replace
Adjust switch bracket until
activation occurs
Defective Controller
Pinched or shorted wires in wire
harness
Defective lights or starter
No sale switch ON
Controller P9 pin 1 and 2 shorted
Defective harness
Defective fan
Defective door switch
Door switch not activated when
the door is closed
Summary of Contents for 7770
Page 12: ...Part No 900 68702 xiii Introduction 7800 Deluxe Selection Identification ...
Page 53: ...4 12 Part No 900 68702 7800 Deluxe Snack Candy Vendors Field Service Manaul Parts Catalog ...
Page 55: ...4 14 Part No 900 68702 7800 Deluxe Snack Candy Vendors Field Service Manaul Parts Catalog ...
Page 58: ...Part No 900 68702 4 17 Section 4 Troubleshooting This page intentionally left blank ...
Page 59: ...4 18 Part No 900 68702 7800 Deluxe Snack Candy Vendors Field Service Manaul Parts Catalog ...
Page 69: ...7800 Deluxe Snack Candy 7 4 900 68702 Main Door Trim and Panels Fig 1 ...
Page 71: ...7800 Deluxe Snack Candy 7 6 900 68702 Main Door Exterior Fig 2 ...
Page 73: ...7800 Deluxe Snack Candy 7 8 900 68702 Main Door Interior Fig 3 ...
Page 75: ...7800 Deluxe Snack Candy 7 10 900 68702 Fig 4 Delivery Box Assembly Right Side Left Side ...
Page 79: ...7800 Deluxe Snack Candy 7 14 900 68702 Cabinet Assembly Components with Bill Changer Fig 5a ...
Page 81: ...7800 Deluxe Snack Candy 7 16 900 68702 Power Panel Components Fig 6 ...
Page 83: ...7800 Deluxe Snack Candy 7 18 900 68702 Shelf Support and Plug Assemblies Fig 7 ...
Page 85: ...7800 Deluxe Snack Candy 7 20 900 68702 3 4 or 5 Selection Shelf Assembly Fig 8 ...
Page 87: ...7800 Deluxe Snack Candy 7 22 900 68702 Dual Helix Shelf Fig 9 ...
Page 89: ...7800 Deluxe Snack Candy 7 24 900 68702 Candy Shelf Fig 10 ...
Page 95: ...7800 Deluxe Snack Candy 7 30 900 68702 Main Controller Circuit Board Assembly Fig 13 ...
Page 100: ...7800 Deluxe Snack Candy 900 68702 7 35 Fig 13 Thispageintentionallyleftblank ...
Page 101: ...7800 Deluxe Snack Candy 7 36 900 68702 Fig 14 Dispenser and Chute MTG Bracket Assembly ...
Page 105: ...7800 Deluxe Snack Candy 7 40 900 68702 Fig 16 Display Board ...