Boiler Error Codes Explained
Your boiler display shows an error code. Here's what it means and what to do.
| Code | Brand | Meaning | Action |
|---|---|---|---|
| E001 | Navien | Ignition failure | Gas supply issue or spark plug problem. Call for service. |
| E002 | Navien | Flame loss | Check gas supply. May need sensor cleaning. |
| C5 | Rinnai | Temperature sensor failure | Sensor needs replacement. Professional service required. |
| A1 | Bosch | Pump failure | Circulation pump needs replacement. |
| A6 | Bosch | Ignition fault | Gas valve or ignition module issue. |
General Troubleshooting Steps
- 1. Note the error code exactly
- 2. Try resetting: turn boiler off 30 seconds, back on
- 3. Check water pressure (should be 1.5-2 bar)
- 4. If error persists, call for professional service
Your boiler has an error? We can help.
Call 778-909-5731