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BoilerTroubleshooting2026-03-08

Common Crown Boiler Combi Boiler Problems & Fixes

The most common Crown Boiler combi boiler faults — no heat, no hot water, leaks and error codes — and how we fix them.

Like any combi boiler, Crown Boiler units can develop faults over the years. Here are the most common Crown Boiler issues and how our licensed technicians resolve them across Greater Vancouver.

Common Crown Boiler faults

Typical issues on combi boilers including Crown Boiler are no heat or hot water, low or dropping pressure, leaks from the relief valve or pump, ignition lockouts, and error-code faults — most of which are repairable.

Getting your Crown Boiler fixed

Our technicians diagnose the exact Crown Boiler fault — often using its error code — and repair it with genuine parts. Where a major part fails on an older unit, we give honest repair-vs-replace advice.

Key takeaways

  • No heat or hot water: check pressure and thermostat first
  • Note the exact error code
  • Don't repeatedly reset after lockouts
  • We repair all Crown Boiler models

Need help with your boiler?

Licensed, gas-certified technicians serving Greater Vancouver since 1999. CombiBoiler.ca — A division of ROMA Heating Ltd..

Frequently asked questions

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