You are not getting the 120 volts into the rig. The quick giveaway is the microwave not lighting up. This means your converter, which charges your house battery, is not working. A dead battery will be the result. The vehicle battery is not part of the converter's charge system so should be treated separately.
If you have verified power at the outlet you are plugged into, the first check would be to cycle the main breaker(s) inside the rig (30 amp or 50 amp). If this doesn't help, the best place to measure the 120 volts coming in would be in the transfer switch.
Before doing any measurements I would unplug the rig and remove the transfer switch cover. Look for any burnt wires or connections and make sure all connections are TIGHT. This procedure is safe to do as long as you aren't plugged in or have the generator running.
If no obvious problems are found, the next step is to measure voltage inside the transfer switch. If you are uncomfortable measuring these potentially lethal voltages, see if a friend can help. Don't just start poking around with a voltmeter unless you are comfortable doing so and do it safely.
If you have 50 amp service there will be 240 volts inside the switch which could ruin your day if you touched the wrong part. Anyway, you should have either a single 120 volt input for 30 amp or 2 separate 120 volt feeds for 50 amp. What comes in must go out. The transfer switch will select either shore power or generator power and feed it to the output. If it comes in but does not go out, the switch which is a big relay may be bad. If you don't measure anything coming in then there could be a problem with the power cord or outlet you are plugged into.
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Jim
Retired electronic technician (45 years in the field)
2017 Greyhawk 29W (solar & many other mods)
wife (maybe I should have given her top billing)
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