Troubleshooting

Before you start

• Before you start troubleshooting
• Status LED codes

Hot water problems

• Charge stuck at 10 to 30% (top-up pump)
• Cylinder not heating as expected
• No hot water

Solar and diverters

• Solar PV not heating the cylinder
• Check the CT clamp and interface
• PV diverter not working
• iHP X – Solar PV not diverting to the cylinder

Components

• Gauge blank, frozen or showing the wrong level
• Test an immersion heater
• Tundish discharging
• Zone valve not opening

App and connectivity

• Cylinder offline or not connecting
• App settings causing unexpected heating

iHP X and Cube X

• Cube X – Water temperature issues
• Cube X – No water or low flow at hot taps
• iHP X – No or limited hot water