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| TROUBLESHOOTING & REPAIR | |||||||
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| SWITCH BOARD TEST (CONT.) |
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| TABLE F.3 |
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| SWITCH BOARD RESISTANCE CHECKS |
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| Apply Positive Apply Negative |
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| Test Prove to | Test Probe to |
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| Terminal | Terminal | Test Result | Conclusion | Repair Action | Next Procedure | Notes | |
12 | 401/403 | Greater than | OK | None | Continue |
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| 1K ohm |
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| Less than | Shorted | Replace both | Snubber Test |
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| 100 ohms |
| Switch Boards |
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401/403 | 12 | Less than | OK | None | Continue |
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| 100 ohms |
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| Greater than | Open | Replace both | Snubber Test |
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| 1K ohm |
| Switch Boards |
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9 | 402/404 | Less than | OK | None | Continue |
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| 100 ohms |
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| Greater than | Open | Replace both | Snubber Test |
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| 1K ohm |
| Switch Boards |
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402/404 | 9 | Greater than | OK | None | Continue |
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| 1K ohm |
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| Less than | Shorted | Replace both | Snubber Test |
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| 100 ohms |
| Switch Boards |
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