Heating maintenance Brivis ducted unit,burners not alighting

Chris requested 2 quotes from Heating Professionals in Bundoora

Ecu unit on brivis ducted heating displays pilot not lit warning and consequently will not light burners - even though pilot light is lit.

BA Keenan Plumbing

Bearings in fan brokn making noise&has dust in fan rinnai 2001
gas heater is working but the bearings in the fan are broken as making...

Rinnai gas wall heater will not light, pilot is working
We have a rinnai gas wall heater that won't light. the pilot light lights...

GAS CENTRAL HEATING NEEDS REPAIR
GAS CENTRAL HEATING NEEDS REPAIR

Vulcan gas central deducted heating - fan growling
Vulcan gas central deducted heating in the roof with rumbling noise but still...