Fault Finding Guide

CH Light

Green
Thermostat Connected

Flashing Green
Thermostat connected and calling for heat from the boiler

Red
Thermostat not connected

Flashing Red
Thermostat not connected, relay module calling for heat.

Pairing Light(middle)

Red
Not paired to Gateway(This is usually when you have a new unit)

Orange (can look similar to red)
Paired, but not connected to Gateway(This is usually when your Gateway is out of range, or has been changed)

Green
Connected to Gateway

HW Light

(Not applicable for a combi boiler)

Off
Hot Water Off

Orange
Hot Water in Auto

Flashing Orange
Hot Water in Auto and calling for heat from the boiler

Green
Hot Water in Man and calling for heat from the boiler

Flashing Green
Hot Water in Boost and calling for heat from the boiler


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