ESTIMATED WORKING TIME 15 minutes.
TOOLS NEEDED Allen key (Hex key) 2.5 mm..
NOTE 1 The block temperature sensors are close to the mains. DO NOT WORK ON THE SENSORS WHEN THE POWERCORD IS CONNECTED TO THE HIPSTER.
NOTE 2 All HIPSTER brewers have two block temperature sensors, one on each block. Make sure correct sensor is exchanged.