SERIES 90 SINGLE PRICE TROUBLESHOOTING
Page 32 of 23
ACCEPTS COINS WILL NOT VEND
FROM ONE OR MORE COLUMNS
Although all circuit problems are not necessarily found to be one or more inoperative select switches, the examples
listed below are typical of select switch problems occurring in the control panel.
Refer to figure 1, page 31.
1. Problem:
Selections 7 and 5 work.
Selections 3, 1, 2, 4, 6, and 8 do not work.
Troubleshooting:
Recall the feed of electrical current at 7, 5, 3, 1, 2, 4, 6, and 8.
A)
Check the normally closed and common of select switch 5.
B)
Check the normally open and common of select switch 3.
2. Problem:
Selection 7 works.
Selections 5, 3, 1, 2, 4, 6, and 8 do not work.
Troubleshooting:
Recall the feed of the electrical current.
A)
Check the normally closed and common of select switch 7.
B)
Check the normally open and common of select switch 5.
3. Problem:
Selections 7, 5, 3, 1, 2, 4, and 6 work.
Selection 8 does not work.
Troubleshooting:
Recall the feed of the electrical current.
A)
Check the normally closed and common of select switch 6.
B)
Check the normally open and common of select switch 8.
Refer to figure 2, page 31.
4. Problem:
Selection 7 works.
Selections 5, 3, 1, 2, 4, 6, and 8 do not work.
Troubleshooting:
Recall the feed of the electrical current.
A)
Check the normally closed and common of select switch 7.
B)
Check the normally open and common of select switch 5.
5. Problem:
Selections 7, 5, 3, [1 & 2] work.
Selections 4, 6, and 8 do not work.
Troubleshooting:
Recall the feed of the electrical current.
A)
Check the normally closed and common of select switch [1 & 2].
The symbol [ ] (i.e. [1 & 2]) indicates that one select switch serves two circuits.
B)
Check the normally open and common of select switch 4.
Refer to figure 3, page 31.
6. Problem:
Selection 5 works.
Selections 3, 1, 2, 4, and 6 do not work.
Troubleshooting:
Recall the feed of the electrical current.
A)
Check the normally closed and common of select switch 5.
B)
Check the normally open and common of select switch 3.
Summary of Contents for Pre SRS 90 SP
Page 9: ...SERIES 90 SINGLE PRICE TROUBLESHOOTING Page 34 of 23...
Page 14: ...SERIES 90 SINGLE PRICE TROUBLESHOOTING Page 39 of 23...
Page 15: ...SERIES 90 SINGLE PRICE TROUBLESHOOTING Page 40 of 23...
Page 16: ...SERIES 90 SINGLE PRICE TROUBLESHOOTING Page 41 of 23...
Page 20: ...REFRIGERATION TROUBLESHOOTING Page 80 of 23 NOTE Have vender Model Serial number available...