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TROUBLESHOOTING & REPAIR
ENCODER PC BOARD TEST (continued)
VOLT/TRIM ENCODER #1
FROM LEAD | TO LEAD | EXPECTED VOLTAGE | ACTION | |
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| If you do not read 15VDC on the first reading of encoder | |
855 | 3243 | 15 VDC | #1 or #2 then check lead connections. If lead connec- | |
tions check OK, then Feeder Board may be faulty, | ||||
5J85 | 3J82 |
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| replace Feeder Board. | |||
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8511 | 3243 | 0 OR 15 VDC | As you turn the encoder #1 or #2 slowly you should see | |
11J85 | 3J82 |
| your meter go from 0 to 15, 0 to 15 as you turn the | |
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| encoder. If not, check the lead connections. If the lead | |
858 | 3243 | 0 OR 15 VDC | connection check OK then, change the encoder. | |
8J85 | 3J82 |
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WMF/AMPS ENCODER #2 |
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FROM LEAD | TO LEAD | EXPECTED VOLTAGE | ACTION | |
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| If you do not read 15VDC on the first reading of encoder | |
859 | 3243 | 15 VDC | #1 or #2 then check lead connections. If lead connec- | |
tions check OK, then Feeder Board may be faulty, | ||||
9J85 | 3J82 |
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| replace Feeder Board. | |||
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857 | 3243 | 0 OR 15 VDC | As you turn the encoder #1 or #2 slowly you should see | |
7J85 | 3J82 |
| your meter go from 0 to 15, 0 to 15 as you turn the | |
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| encoder. If not, check the lead connections. If the lead | |
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| connection check OK then, change the encoder. | |
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