Installation manual50Appendix 1: MalfunctionsMalfunctionsError codeF01F02F03F05F0654F08 ProblemCommunication loss between receiver and ESYSReceiver overheated (60° above room temperature)Internal (receiver) NTC sensor does not work correctlyInternal safety errorCommunication loss between transmitter and receiverSafety error transmitterNo ionizationPossible causeCommunication cable does not make contactCommunication cable defectivePoor ventilation at receiverReceiver makes contact with hot partsReceiver defectiveReceiver defectiveTransmitter is out of the receiver's rangeObstacles between transmitter and receiver that could interfere with the signalTransmission strength is too weakCommunication loss too long (F06)No sparksNo gasPoor flame transfer main burnerNo good flame under ionization pin (suffocating flame)Ionization pin placed incorrectlyIonization pin blocked (measure ionization current when > 0 and < 1.8 uA)Ionization pin defective (measure ionization current when 0)RemedyMake sure the connectors of the communication cable make proper contactReplace communication cableImprove ventilation at receiverMove receiver in such a way that there is no more contact with hot partsReplace the receiverReplace the receiverMake sure the transmitter is near the receiverRemove possible obstacles between transmitter and receiverCheck transmission strength (see User Manual chapter 10)Register transmitter againMake sure the distance between the electrodes is 3-4 mmReplace the spark electrodesCheck whether there is gasWhen using PowerVent®, check that the gas valve opensCheck position of blocks/chipsIf necessary, remove dust from burner openingsGlass pane strips not placed correctlyCheck restriction and air inlet guide settingWhen using PowerVent®, check pressure settingPlace it on the right location.Remove any vermiculite or chips from the burnerReplace the ionization pin
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