NTI Error Hold 110: Failed to Prove Flame After 3 Attempts
On Trinity Lx models, the burner failed to prove a flame after three ignition attempts and the control is holding. We diagnose and repair it across Greater Vancouver — same-day and after-hours.
On Trinity Lx models, the burner failed to prove a flame after three ignition attempts and the control is holding.
NTI fault codes can vary by model and series. Use this as a guide — the same code can have more than one cause. Our Technical Safety BC–licensed technicians read the code, confirm it against your unit's manual, and diagnose the true cause before any repair.
Likely causes of NTI error Hold 110
- Faulty igniter or incorrect spark gap
- Disconnected spark cable or flame rod
- Insufficient gas line pressure
- Gas valve not opening during trial for ignition
What you can safely check
- Confirm gas is on
- Note the exact code and your model — and don’t keep resetting; book a diagnosis.
Beyond these checks, do not open the unit or touch gas/electrical parts — BC law requires a licensed gas fitter. Call us for a proper diagnosis.
Error Hold 110 usually leaves you without heat or hot water and can indicate a safety-related fault. Don't keep resetting it — call for priority after-hours NTI repair.
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For your safety and to keep your manufacturer warranty valid, BoilerPart.ca does not sell loose boiler parts over the counter or for self-installation. Under BC regulations, gas appliance components must be installed by a licensed gas fitter. Every part we source is genuine OEM and is professionally fitted, tested, and certified by our Technical Safety BC–licensed technicians as part of a complete repair or installation.
Parts often behind NTI error Hold 110
Genuine NTI parts we supply and professionally install — never for DIY.
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NTI Error Hold 110 Repair Across Metro Vancouver
Related NTI Ignition & Flame Codes
Frequently Asked Questions
Fix NTI Error Hold 110 Today
Licensed NTI diagnosis and repair with genuine parts — same-day and after-hours across Greater Vancouver.
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