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Noritz NRCR92DV Error Codes

Updated · by Aurora Star Tech Inc.

Noritz NRCR92DV error codes and diagnostic codes (also listed as NRCR92, GQ-C2661WXQ-FF-1 US). The NRCR92DV is a Noritz tankless water heater in the Noritz NRCR series.

Homeowner with a tankless water heater problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

Noritz NRCR92DV error codes list

CodeMeaningSeverity
06Low recirculation flow (warning only)Low
10Abnormal combustion (NRCR, gas supply related)High
11Ignition failure (no flame detected)High
12Flame loss (repeated)High
14Thermal fuse failureHigh
16Abnormally high outlet temperatureHigh
20High limit switch trippedHigh
061Recirculation abnormality (sub-code of 06)Low
062Recirculation abnormality (sub-code of 06)Low
63Recirculation abnormality (no recirculation flow)Medium
65Main water control servo abnormalityMedium
66Bypass water control servo abnormalityMedium
73Circuit board setting abnormalityLow
90Combustion abnormalityHigh
91Gas conversion not done correctlyCritical
901Combustion abnormality (sub-code of 90)High
902Combustion abnormality (sub-code of 90)High
C1#Descaling reminder (C11-C19)Low
F76Multi-system communication errorLow

Troubleshooting the NRCR92DV

Noritz NRCR92DV specs and setup data

All Noritz Tankless Water Heater error codes →

Homeowner help: Tankless Water Heater No Hot Water: What to Check

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

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