There is an "Over Heated Heater" (OHH or HH) Condition.
One of the Water Temp Sensors has detected 118°F (47.8°C) In the Heater and Spa Functions are Disabled. You Must Press Any Button to Reset when Water is below 108°F (42.2°C). Check for Water Level, Flow Restrictions, Closed Valves, Air Bubbles, and Pump Prime, or Continue for a Detailed Test Procedure.
