Periodically check the showerhead for limescale buildup, which can restrict flow.

Regular calibration and maintenance are essential to ensure accurate and reliable performance:

: If the heater pump works but there is no heat, the thermostat may be in cutoff mode. A manual reset button is often located on top of the thermostat inside the unit (ensure power is completely off before checking). 4. Troubleshooting Potential Cause No Hot Water Low water pressure

Alpha V1 Jet-em Manual ((better)) Jun 2026

Periodically check the showerhead for limescale buildup, which can restrict flow.

Regular calibration and maintenance are essential to ensure accurate and reliable performance:

: If the heater pump works but there is no heat, the thermostat may be in cutoff mode. A manual reset button is often located on top of the thermostat inside the unit (ensure power is completely off before checking). 4. Troubleshooting Potential Cause No Hot Water Low water pressure