A subscriber sent this Beacon generator to me I think as a challenge. It is in bad condition. After sorting out the engine issues in part 1, I could see that the generator was not making power. I found damage on the power control board (PCB). The stator and rotor tested well so I sent the PCB out for repair. Upon installing the repaired board the generator made power, but the silicon controlled rectifier (SCR) immediately blew out and the engine went under a heavy load. The board failed in the same way as I found it before sending it for repair. I tested the insulation at 1000 volts and did not find a fault. I am going try my luck one more time and get the PCB repaired again.

Beacon Part 1:    • Will it Run and Make Power? - Beacon ...  
PCB Board Repair 1:    • Briggs / Generac Power Regulator Boar...  
PCB Board Repair 2:    • Portable Generator 84132GS Power Regu...  
Bassguitarist1985 (aka Gary):    / @bassguitarist1985  

Generator Model: 01277-0
Engine Model: GN-410 EHF-04108-1
Power Control Board (PCB) Part Number: 84132GS
System Control Board (SCB) Part Number: 83970GS

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