Tundra HTS3000(T) - Manual (Page 26)

HTS(T)-1800_3000-GD-0114-EN 14
No output voltage Inverter OFF
No DC power going into the
inverter
Reverse DC polarity
Turn the inverter ON
Check the battery cables
Check DC fuse on battery side of
battery cables
Check battery cables for
corrosion or damages.
Refer to the troubleshooting
guide.
Damages caused by reversed
polarity are not covered by the
warranty.
You may also refer to the troubleshooting guide:
http://www.tundrainternational.com/en/pages/troubleshooting_warranty