Troubleshooting
Problem |
| Cause |
| Correction | |
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| |
Automatic transfer switch does not | 1. | Generator breaker open. | 1. | Reset generator circuit breaker. | |
transfer to generator | 2. | Generator voltage not acceptable. | 2. | Refer to generator manual. | |
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| |
| 1. | Essential circuit breaker in main | 1. | Reset essential circuit breaker. | |
Automatic transfer switch does not |
| disconnect panel open. |
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| |
|
| 2. | Wait for utility voltage to return to | ||
transfer to utility | 2. | Utility voltage not acceptable. | |||
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|
| normal. | |
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| |
Generator is still running after switch | Engine cool down period. | Engine should stop after 1 minute. | |||
transfers to utility power | |||||
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Generator or supervised loads (air | 1. | 1. | Check | ||
conditioner, etc.) are operating |
| correctly. |
| proper operation and/or check | |
improperly when generator is supplying |
|
|
| control wiring to external load. | |
power | 2. | Too much load on generator. | 2. | Decrease load to generator. | |
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Generator is still running after utility | 1. | Minimum engine run time has not | 1. | Wait five minutes for transfer switch | |
| elapsed. |
| to retransfer to utility power. | ||
power is restored | 2. | Fuse(s) in transfer switch is | 2. | Check fuse(s) and replace if | |
|
| defective. |
| necessary | |
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