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mogahid Posted on Mar 05, 2016
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What is alarm stop failure in generator pramac 20kva

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2 Related Answers

Fred Yearian

  • 5603 Answers
  • Posted on May 09, 2010

SOURCE: My 20Kva Generac generator run for about 30

The speed should be such that 60 Hz is generated when under load.

The govenor MAY be out of adjustment.

The speed for 60 Hz should be one of the following:

3600, 1800, 900 RPM

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kel1guy2002

Kelly

  • 3740 Answers
  • Posted on Jun 26, 2010

SOURCE: perkins 3 cylinder powered pramac generator

Start looking at your safety circuits.

1. High water temp
2. Low Oil
3. Low water etc...

From the manual these are the protection circuits.

• Engine protection: low oil pressure, high engine temperature.
• Genset protection: under/over voltage, overload, battery charger failure, battery voltage out of limits,
under/over frequency, start failure.
• Circuit breaker protection: IV poles.
• Differential protection.


Any one of them will trip the fuel relay closed. What you may be able to do is disconnect one at a time each protection circuit and see when the fuel relay opens. (Make sure to reconnect each one if it had no effect on the fuel solenoid)

Once you isolate which circuit it is in then you can chase wires or change the bad switch.

Thanks for choosing FixYa.

Kelly

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Start looking at your safety circuits.

1. High water temp
2. Low Oil
3. Low water etc...

From the manual these are the protection circuits.

• Engine protection: low oil pressure, high engine temperature.
• Genset protection: under/over voltage, overload, battery charger failure, battery voltage out of limits,
under/over frequency, start failure.
• Circuit breaker protection: IV poles.
• Differential protection.


Any one of them will trip the fuel relay closed. What you may be able to do is disconnect one at a time each protection circuit and see when the fuel relay opens. (Make sure to reconnect each one if it had no effect on the fuel solenoid)

Once you isolate which circuit it is in then you can chase wires or change the bad switch.

Thanks for choosing FixYa.

Kelly

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