Generac Code 134: Alarm 134 shown on the controller
Code 134 is listed as 'Alarm 134 shown on the controller.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Error Codes
Browse published fault-code records by brand, product and displayed code.
Each record starts with the source meaning, then separates applicability, owner-safe actions, operating uncertainty and qualified-service boundaries. A matching code string alone is not enough: confirm the brand, product, model and controller before acting.
Noritz Code 11: Ignition failure
Code 11 is listed as 'Ignition failure.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 12: Flame loss
Code 12 is listed as 'Flame loss.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 14: Significant heat-exchanger overheat
Code 14 is listed as 'Significant heat-exchanger overheat.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 16: Outlet water temperature has spiked abnormally high
Code 16 is listed as 'Outlet water temperature has spiked abnormally high.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 20: High-limit switch has been triggered
Code 20 is listed as 'High-limit switch has been triggered.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 29: Condensate drain problem
Code 29 is listed as 'Condensate drain problem.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 45: NRCP/CB model abnormality identified by Noritz as Error Code 45
Code 45 is listed as 'NRCP/CB model abnormality identified by Noritz as Error Code 45.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 67: AGM air-gas mixer abnormality
Code 67 is listed as 'AGM air-gas mixer abnormality.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 71: Gas valve circuit abnormality
Code 71 is listed as 'Gas valve circuit abnormality.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 73: Circuit-board setting issue
Code 73 is listed as 'Circuit-board setting issue.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 760: Remote-controller transmission abnormality
Code 760 is listed as 'Remote-controller transmission abnormality.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 90: Combustion abnormality
Code 90 is listed as 'Combustion abnormality.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 903: Combustion abnormality similar to Error Code 90
Code 903 is listed as 'Combustion abnormality similar to Error Code 90.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 91: Incorrect gas type
Code 91 is listed as 'Incorrect gas type.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 92: Neutralizer life-cycle warning
Code 92 is listed as 'Neutralizer life-cycle warning.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 93: Neutralizer life cycle has reached replacement condition
Code 93 is listed as 'Neutralizer life cycle has reached replacement condition.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code 94: Exhaust temperature abnormality
Code 94 is listed as 'Exhaust temperature abnormality.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Noritz Code C1: Scale build-up abnormality on premix models
Code C1 is listed as 'Scale build-up abnormality on premix models.' for Noritz Tankless Water Heater. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm dr1: Door 1 Open/Door Switch 1 Failure
Alarm dr1 is listed as 'Door 1 Open/Door Switch 1 Failure' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm dr2: Door 2 Open/Door Switch 2 Failure
Alarm dr2 is listed as 'Door 2 Open/Door Switch 2 Failure' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm HP: High Discharge Pressure
Alarm HP is listed as 'High Discharge Pressure' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm LP: Low Suction Pressure
Alarm LP is listed as 'Low Suction Pressure' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm P1E: Return Air Temperature Sensor Fault
Alarm P1E is listed as 'Return Air Temperature Sensor Fault' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01