W/O more info very hard to post anything but guesses
Here are Common Issues....LINKGo thru above link and do a little troubleshooting
Post more detail info such as:
No Display/Interior Light.
Has Display Lights....doesn't cool on AC Power
Has Display Lights....does/doesn't work on propane (no spark/no flame---has flame/no cooling
Is it time for your medication or mine?
2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31