Grant Vortex Pro External Boiler Fault Codes
Verified code information for this boiler range.
Related boiler models
Fault-code index
- burner lock-out — Vortex Pro External
The Grant Vortex Pro External control panel provides a burner lock-out reset button; this is an oil-burner indication rather than a numeric boiler code.
Read fault code - overheat thermostat trip — Vortex Pro External
The safety overheat thermostat automatically switches the boiler off if the heat exchanger exceeds 110°C ± 3°C.
Read fault code - pump Run/Fault LED: red — Vortex Pro External
The Wilo-PARA circulating-pump table identifies a constant red Run/Fault LED as the pump being stopped.
Read fault code