Did they drain the water from the heater?
If so, then you may have an open element.
Turn off the breaker, open the covers on the heater and pust the overload on the t-stats.
Feel for the click if one is tripped.
If so, then you may have an open element.
Turn off the breaker, open the covers on the heater and pust the overload on the t-stats.
Feel for the click if one is tripped.