110v overload

[Paullamphear]

I cannot find a circuit breaker on the 110v bed outlet.
I used it and it worked fine. Later tried to use it, and dealer said some part in it was fried.
what happens if I overload or in any way back feed?

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[MakinDoForNow]

I cannot find a circuit breaker on the 110v bed outlet.
I used it and it worked fine. Later tried to use it, and dealer said some part in it was fried.
what happens if I overload or in any way back feed?

Not good if dealer says fried.
However key has to be on, not in accessory mode. Also some things will not work on modified sine inverters. If the startup draws anything over 400watts or close it will disable the inverter for a short time and reset, I believe someone posted this maybe if second or third time in a row might be over night. Put truck in ready to drive and turn on lights or AC to be sure that the dcdc converter is furnishing at least 13v to the buss. If the 12v voltage is not high enough and DVD is not active the 400watt inverter may not be active. I'm sorry I don't know which fuse to check but since inverter is located on floor in console between seats I would expect it to be in fuse panel passenger seat floor area. I see in my 2023 manual a 10 amp (#6) for driver door switch, moon roof, power rear window AND DC INVERTER. 10 amp doesn't sound like enough but if inverter is split phase it could work (each phase sharing 200 watt current), I think. I have no idea if this is 400 watt inverter fuse but if your driver door switches are working then fuse #6 is not blown!!!
Edit to add:
Search for "inverter" there are others that had this problem.

 

[BlueSpec1]

414-05 Voltage Converter/Inverter Description and Operation - 2023 - 2024 Maverick

AC POWER POINT
This vehicle is equipped with up to two AC outlets. One on the rear of the center floor console and one in the Bed Panel.
Each AC outlet is equipped with an amber LED that indicates the system status.
The LED is illuminated continuously when the inverter is ON and the system is operating normally.
If the LED has a series of three flashes, the power point is overloaded.
The LED flashes constantly if the ignition is on and a fault is detected. If the LED is off when ignition (engine running) there could be some system faults.

DC/AC INVERTER
The DC/AC inverter converts 12 volts DC to 110 to 230V volts (Depending on market requirement) AC to power AC devices rated 400 watts or less with the vehicle in park, or 300 watts or less with the vehicle in drive.

The 110-120V or 230V volts AC created by the inverter measures differently than conventional, utility generated AC with some multi-meters.
A true RMS voltmeter can be used to measure the appropriate voltage.

The inverter supplies 110-120V or 230V volts AC power when the engine is running.
When the DC/AC inverter stops receiving information from the BCM over the LIN circuit indicating the vehicle has started, it begins counting the elapsed time.
After 13 minutes the DC/AC inverter shuts down.
The timer is reset and the inverter is powered back on by cycling the ignition from RUN to OFF and back to RUN but only for another 13 minutes. This prevents the 12-volt battery from being fully discharged. If the vehicle is started, the inverter operation is not time-limited.

NOTE: The DC/AC inverter will cease AC output if there is a fault on the LEDs in the outlet or if the LED is not detected as present.

The DC/AC inverter has a self-protection feature for the following conditions:
• Short circuits on the inverter output circuits
The inverter shuts down if it detects a short on the output circuit(s). After 6 seconds, it restarts and checks for a short condition.
If the condition still exists, the inverter shuts down again. The inverter restarts 5 times and if the short still exists on the 5th restart, the inverter disables AC output and the amber LED indicator flashes.

• Low voltage input
The inverter does not operate when the input voltage is less than 12 volts (excluding Start and Stop events).

• High voltage input
The inverter does not operate when the input voltage is greater than 16 volts.
Load exceeds the maximum limit allowed while in Drive Load exceeds 400 watts (engine running, in Park).

• High temperature
The inverter does not operate if it has overheated or if ambient (cabin) temperatures exceed 75 C (167 F).

• If the self-protection feature is activated, the LED indicator flashes and the DC/AC inverter does not provide power output to the AC outlets.
If the LED is flashing, the problem must be corrected before DC/AC inverter operation resumes.
If at least one of the outlet LEDs is not electrically detected, the inverter will not provide AC output and will command the other Outlets LEDs to be off (in case the vehicle has more than one AC outlet).

COMPONENT OPERATION
The AC power outlets and inverter module are replaced as separate components.
The AC outlets are standard 3-prong outlets, similar to a standard wall outlet.
The contacts of the outlet exert a more powerful grip on the plug so that it does not shake loose on poor road surfaces.

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