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156 Section 4 Troubleshooting
TP-6200 10/12
4.1 | General Troubleshooting Chart |
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| Trouble Symptoms |
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Doesnot crank |
| Cranksbut doesnot start | Startshard | orNolow output voltage | Stopssuddenly | Lackspower | Overheats | Lowoil pressure | Highfuel consumption | Excessiveor abnormalnoise | Displayserror message/locksup | Exerciserun time and/orevent recordsinoperative | Probable Causes | Recommended Actions | Reference* |
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| Section or |
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Alternator |
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| AC output circuit breaker open | Reset the breaker and check for AC voltage at the | — |
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| generator set side of the circuit breaker. |
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x |
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| Transfer switch test switch in the OFF | Move the transfer switch test switch to the AUTO position. | ATS O/M |
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| position |
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| Transfer switch fails to transfer load | Move the ATS test switch to the AUTO position. | ATS O/M, S/M |
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| Troubleshoot the transfer circuit and time delays. |
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| Wiring, terminals, or pin in the exciter | Check for continuity. | Gen. S/M, W/D |
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| field open |
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| Main field (rotor) inoperative | Test and/or replace the rotor.[ | Gen. S/M |
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| (open or grounded) |
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| Stator inoperative (open or grounded) | Test and/or replace the stator.[ | Gen. S/M |
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| Vibration excessive | Tighten loose components.[ | — |
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| Voltage regulator digital settings | Adjust the voltage regulator. | Sec. 2.8.11, |
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| incorrect (digital controller only) |
| Menu 11 |
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| Light flicker caused by armature leads | Check that AC1, AC2, and AC3 from exciter armature are | Gen. S/M, W/D |
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| incorrectly connected to FRX activator | correctly connected to the FRX activator board terminals. |
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| board (FRX alternator only) |
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Electrical System (DC Circuits) |
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| Battery connections loose, corroded, | Verify that the battery connections are correct, clean, and | Section 3 |
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| or incorrect | tight. |
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| Battery weak or dead | Recharge or replace the battery. The spec sheet provides | Section 3, S/S |
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| recommended battery CCA rating. |
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| Starter/starter solenoid inoperative | Replace the starter or starter solenoid. | Eng. S/M |
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| Engine harness connector(s) not | Disconnect the engine harness connector(s) then reconnect | W/D |
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| locked tight | it to the controller. |
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| High water temperature switch | Replace the inoperative switch. | Gen. S/M or W/D |
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| inoperative |
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| Fault shutdown | Reset the fault switches and troubleshoot the controller. | Section 2 |
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| High exhaust temperature switch | Replace the inoperative switch. | Gen. S/M or W/D |
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| inoperative |
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[ Have an authorized service distributor/dealer perform this service.