First post, never owned an RV previously - I bought this rig in December and drove it from West Virginia to NH. The only thing we noticed was there was no voltage in the electric receptacles. I've found wiring diagrams, read the manuals and searched the forums.
Before I go off and buy a new inverter, I'd like to make sure I've done everything to confirm the unit is needing replacement.
I think I've determined that the inverter function is inoperable (charging works fine).
AC current is fine with the generator running and I do have the inverter remote installed in the bedroom.
I believe the basics are these (assumes no shore power), with RV engine running:
- Alternator generates voltage DC (13.8v)
- Alternator voltage is delivered to chassis batteries and to the inverter
- The inverter then acts in 3 ways
- Perform as a smart charger to charge the house batteries
- Convert DC current to AC current and deliver power to the main panel
- If AC shore or Generator power is detected, the inverter only acts as a charger to the house batteries
Then we have the inverter remote that controls the inverter behavior.
I've set the dip switches in the following way
- Dip #4 - on, to allow charging to be controlled by the on/off switch
- Dip #5 - on/on, to disable idle sensitivity
(I'll reset #4 back to auto charge when we're ready to camp)
LED Panel shows:
- INV/CHRG - on
- DC Volts - 13.0
- DC AMPS - last/bottom LED is on
According to the manual troubleshooting guide (page 40), if the #1 LED (count starting from the bottom) of the DC AMPS LED set is illuminated, this indicates the inverter has shut down for some reason.
On the inverter end
- Power switch is off - as per instructions w/remote switch on
- No breakers have tripped (front panel)
- Insured internal fuses are ok (2 on front panel circuit board)
- Insured the ribbon cable from the front circuit board to side board is plugged in
- Tested for power coming from AC output 1 and AC output 2, no current
Checked the GFCI receptacle in the basement was not tripped (of course with no current from AC out 1&2 there wouldn't be any here either).
Checked all fuses near the multi-battery isolator - all good.
Verified that the coach shut-off was functioning and was set to on.
Is there anything else I should check?
Is the conclusion that the inverter function (probably transfer switch inside inverter) is toast?
Thanks in advance for any advice the community can offer