VITOTRONIC 100, HC1 VITOCONTROL-S, WB2B Installation and ...

Troubleshooting – Vitotronic 100, HC1Faults displayed at the programming unit (continued)FaultcodeSystem characteristics Cause Remedy0fControl mode Service “0F” is only displayed in thefault history30Burner blocked Boiler water temperature sensorshorted outService the equipment.Note:After the service, reset codingaddress “24” to “0”.Check the boiler water temperaturesensor38Boiler water temperature sensorcable brokenb0b1b4b5Control mode (stays in factorydefault setting)regulates as if the outdoortemperature was 32°F / 0°CControl mode(factory default setting)Flue gas temperature sensorshorted out.Communication fault -programming unit (internal)Internal faultb7Burner blocked Boiler coding card missing, faulty orincorrect boiler coding card.b8Flue gas temperature sensor cablebroken.Check the flue gas temperaturesensor (see Vitodens 200-WStart-up/Service Instructions).Check connections and replaceprogramming unit, if required.Replace the control unit.Plug in boiler coding card or replace,if faulty.Check the flue gas temperaturesensor (see Vitodens 200-WStart-up/Service Instructions)e4Fault, supply voltage 24V Replace the control unit.e5Internal fault Check ionization electrode andconnecting cables, check tightnessof flue gas system.Press “E RESET”.e8Burner in fault mode The ionization current lies outsidethe permiss. range.e9eaThe ionization current lies outsidethe permiss. range duringcalibration.The ionization current lies outsidethe permiss. range duringcalibration.Check ionization electrode andcable. Press “E RESET”.Check ionization electrode andcable. Press “E RESET”.Check ionization electrode andcable. Press “E RESET”.5414 553 v1.448