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
SOURCE: portable generator head stopped making power
portable generator head stoped making power engine runs fine sircut brakers are fine
SOURCE: I have a 10KW SIEMENS
Most of those chargers have a fuse in line between the battery and the charger which you should check. They are two stage chargers meaning when there is a large voltage drop, they go to a high rate charge until battery voltage reads about 14.3 - 14.6 VDC then drops to a float volatge and normal float voltage should be about 13.33 VDC. When they go to a high rate the light turns red, when they go to float the light turns green. When the fuse blows the light stays green because it doesn't see any voltage but the charger isn't doing any work.
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