Question about Generac Guardian 100 Amp Transfer Switch NEMA 3R
9-3-09 -- A very recent problem with a 3 year old new house installation of 16kW Generac with 100A exterior transfer switch feeding seperate inside distribution box is, when power goes off, while the generator NG engine starts up automatically, no power in house. The transfer switch does NOT trip automatically as previously. When I trip manually with yellow lever, while engine continues to run, still NO electricity. Thruout this time, the green LED remains flashing "utility not sensed" AND the 65A circuit breaker on control panel in unit remains ON. All breakers have been switched on and off just to be sure OK. When main power is restored, generator shuts itself down in <60 secs. Problem continues when power outage is simulated by tripping main breaker. All oil, filter and plug changes faithfully made on yearly basis. Does it sound like transfer switch or controls or ? Your comments, please? ****
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Posted on Jan 02, 2017
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