70
SYMPTOM
Upper Display does not light up.
Check position of Safety Key.*
YES |
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| NO | AC |
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Check for 120 VAC | 1. Check fuse on | ||
between points |
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| motor control |
13 and 14 on |
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| board, |
terminal |
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| replace if |
block. |
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| necessary |
YES |
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| A. Check 20 |
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| amp |
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| fuse |
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| (Mounted to motor pan) * |
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| 2. Check for loose |
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| connections |
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| on terminal |
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| block,damaged |
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| line |
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| cord or wall |
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| outlet for |
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| voltage. |
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| |
Check for 9 VDC | NO | DC | 1. Check that |
between points |
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| all |
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| connections |
5 and 6 on |
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| on terminal |
terminal |
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| block are |
block. |
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| tight. |
6 and 7 on |
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terminal |
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block. * |
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YES |
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| 2. Replace 9 VDC |
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| power supply. |
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| |
Check for 9 VDC | NO | DC | Check |
between pins 1 |
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| connections |
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| between |
and 2 on display |
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| upper board |
board connector |
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| and lower |
(Red and |
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| components |
Green wires). |
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| (wiring |
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| harness) |
YES |
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Replace |
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|
display |
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|
board. |
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(#70130 Sprint 1/ |
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