Error Code Index

Error Code11/12 Ignition failure (initial fault detection) › Error Code72 Flame Rod circuit abnormality (flame detected when none present) ›

Error Code10/90 Air flow abnormality (unit shuts off) › Error Code61 Fan Motor abnormality › Error Code94 Exhaust temperature is too high ›

Error Code30 Thermistor — Air abnormality › Error Code31 Thermistor — Cold Water abnormality › Error Code32 Thermistor — Hot Water abnormality › Error Code33/36 Thermistor — Primary Heat Exchanger inlet / outlet abnormality › Error Code35 Thermistor — Exhaust abnormality ›

Error Code06/63 Recirculation abnormality › Error Code42 Water Flow Sensor (recirculation) abnormality › Error Code65 Water Servo — Main abnormality › Error Code66 Water Servo — Bypass abnormality ›

Error Code13 Optional CO alarm abnormality › Error Code15/16 Abnormally high input (output) temperature › Error Code20 High Limit Switch — Primary Heat Exchanger triggered ›

Error Code70 Circuit Board abnormality › Error Code71 Gas Valve drive circuit abnormality › Error Code73 Circuit Board setting abnormality (maintenance writer / DIP switch settings) › Error Code(F)76 Multi system communication error › Error Code760 Remote Controller transmission abnormality ›

Error Code90[8]
/ 99 How to reset the lock of the unit › Error CodeC1# Detecting the scale build-up ›