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What does E515 mean on Navien Boiler?
If the Navien Boiler displays error code E515, which indicates abnormal operation: PCB, ensure that the electrical cord is properly grounded and reset the boiler from the front panel.
How to fix E004 error on Navien NCB-180?
If the Navien Boiler displays error code E004, which indicates false flame detection, ensure that the electrical cord is properly grounded.
General| Fuel Type | Natural Gas or Propane |
|---|---|
| Maximum Input | 180, 000 BTU/h |
| Minimum Input | 18, 000 BTU/h |
| Heating Capacity | 180, 000 BTU/h |
| Water Connection Size | 3/4" NPT |
| Gas Connection Size | 3/4" NPT |
| Vent Type | Direct Vent |
| Domestic Hot Water Flow Rate at 35°F | 8.4 GPM |
| AFUE | 95% |
| Vent Size | 2 inch or 3 inch |
| Electrical Requirements | 120V AC, 60Hz |
Provides general safety precautions regarding flammable materials and vapors.
Precautions and checks for a compromised venting system to ensure safe operation.
Instructions on what to do if you smell gas to prevent fire or explosion.
Provides crucial safety precautions for operating and servicing the Navien boiler.
How to display and reset error codes on the boiler's front panel.
Instructions for accessing and modifying special parameter settings for boiler operation.
List of error codes and their corresponding conditions for the boiler.
Classifies error codes by system, lists error codes, levels, functions, and actions.
Detailed list of error codes, their functions, and self-diagnostic/action steps.
Troubleshooting steps for ignition failure (Error E003).
Troubleshooting steps for false flame detection (Error E004).
Troubleshooting steps for flame loss (Error E012).
Troubleshooting steps for overheat (Error E016).
Troubleshooting steps for exhaust gas temperature error (Error E030).
Troubleshooting steps for heat exchanger thermistor error (Error E046).
Troubleshooting steps for exhaust thermistor error (Error E047).
Troubleshooting steps for Dual Venturi error (Error E060).
Troubleshooting steps for fan motor RPM error (Error E109).
Troubleshooting steps for air pressure error (Error E110).
Troubleshooting steps for heat exchanger output sensor error (Error E205).
Troubleshooting steps for heat exchanger input sensor error (Error E218).
Troubleshooting steps for abnormal auto feeder valve (Error E351).
Troubleshooting steps for high water pressure (Error E352).
Troubleshooting steps for abnormal water pressure sensor (Error E353).
Troubleshooting steps for hot water outlet thermistor error (Error E407).
Troubleshooting steps for cold water inlet thermistor error (Error E421).
Troubleshooting steps for flow sensor error (Error E439).
Troubleshooting steps for PCB internal circuit error (Error E515).
Troubleshooting steps for DIP SW setting error (Error E517).
Troubleshooting steps for abnormal PCB communication (Error E594).
Troubleshooting steps for abnormal signal input by PCB (Error E615).
Troubleshooting steps for abnormal outdoor sensor (Error E740).
Troubleshooting steps for LWCO installation error (Error E777).
Troubleshooting steps for front panel to PCB connection error (Error E782).
