Reads L 2 open is this rv park fix or mine Plug my shore line in but no power on o e leg before hooked to rv

On 50 amp pole tester when plug in an flip double pole breaker on it shows L 2 open does this mean | Ask a Mentor

On 50 amp pole tester when plug in an flip double pole breaker on it shows L 2 open does this mean | Ask a Mentor | eBay Community