

Switch the main output breaker of the generator to the 'off' position, this prevents the transfer switch from activating even if the generator runs. It shouldn't do that, manual means switch the switch manually too.:-) Let's take care of the exercise setting first. If all of that is true then I'll also assume that the generator is blinking all of the LEDs and as soon as you put the rocker switch in the manual position the generator starts and the transfer switch moves to the 'generator' position. Current Generac Evolution Air Cooled generators through units made starting around 2001. With all Generac Power Systems, a detailed list of the most frequently. And mal-function codes for the equipment. Generac Generator Troubleshooting can be a. The control wires will be labeled N1, N2, 193, and 23. If you look inside your transfer switch there is the transfer mechanism, a single relay, either 2 or 4 fuses, and a terminal board where 4 small control wires connect to the generator.

The control panel has a 15 amp fuse, and maybe a 7 amp one, some LED indicators, a 3 position rocker switch (manual,off,auto), and a momentary set exercise switch. The generator I think you have is an air conditioner sized box that has a 2 cyl air cooled Generac GT990 engine in it. But before I leap to any unfounded conclusions let's make sure I understand just which Guardian generator and transfer switch you have. 169 Answers SOURCE: Hi, This sounds a little like a bad wiring problem between the transfer switch and the generator.
