Updated
A cold room does not necessarily mean the boiler itself has failed. Controls, circulation and individual zones can affect heat delivery. The most useful owner check is to describe the pattern without opening the appliance or changing service settings.
Need help with your property? Call 506.696.7000.
Check normal controls
Confirm the intended thermostat setting and note any schedule changes. Identify whether every zone is cold or only one. If the boiler has a visible display, record the exact message or code rather than clearing it repeatedly.
Describe the symptom
Tell the office about new noise, visible water, changes in normal operation or a shutdown. Note when it began and whether hot water is affected if the boiler also serves an indirect tank. Take photos only from safe, accessible positions.
Avoid repeated resets or adjustments
Do not keep restarting a faulted boiler, add water repeatedly or operate unfamiliar valves. Do not remove combustion or electrical covers. Report the observations so a technician can assess the appliance and the surrounding system.
Treat hazards separately
For a suspected natural-gas leak, leave the area and call Liberty at 1-800-994-2762 from a safe location. For a carbon-monoxide alarm or immediate danger, get outside and call 911. Do not remain in the building to investigate the boiler.
Reference: Liberty: natural-gas emergencies · Health Canada: preventing carbon-monoxide exposure.
Separate a room problem from a whole-system problem
Make a simple list of the areas normally heated by the boiler. Note which are affected and which remain comfortable. If you know the normal thermostat for each area, record its setting and displayed room temperature. Do not trace wiring, remove control covers or operate valves to determine which zone is which. An uncertain zone description is still useful when it is clearly labelled uncertain.
For example, “the main floor heats normally but the upstairs bedrooms have been cold since yesterday” gives the technician a starting pattern. “The pump is broken” is a conclusion the observation does not establish. Keep your description separate from anything another person suggested might be wrong.
Record the display without interpreting every code yourself
Write down the exact message, including letters and numbers, and say whether it remains on screen or appears intermittently. Include the model when safely accessible. Fault-code meanings and operating instructions belong to the correct equipment documentation; the NTI TRX Series II documentation is one model-specific example, not a cross-brand code list.
Do not clear a repeated fault just to obtain a different display or keep trying a reset found in a video. Tell the service team if anyone has already reset the equipment and what happened afterward. If the display has returned to normal, the earlier photograph or written message can still be useful.
Describe water and noise from a safe distance
If water is visible, describe where you first noticed it: below the appliance, near connected piping or elsewhere in the room. A photograph may help show the location, but it does not prove the source. Do not touch wet electrical equipment, remove covers, tighten unfamiliar fittings or add water to compensate for a recurring loss.
For a new noise, note when it occurs and whether it coincides with a normal heating call. A short recording from an accessible position can be more useful than attempting to reproduce the sound through repeated restarts. If approaching the equipment would expose you to a hazard, leave the observation incomplete and tell the office why.
Include hot-water behaviour and recent changes
If the boiler also serves domestic hot water, explain whether taps are affected as well as space heating. Do not assume every boiler provides hot water; describe the arrangement you know. Mention recent service, a power interruption, renovations or a changed control schedule as history, without declaring that event the cause.
- When was the last period of normal operation?
- Is one area affected, or is heat unavailable throughout the property?
- What exact message or visible symptom was recorded?
- Was any owner action already taken, and what followed?
- Who can provide access and authorize assessment?
Keep the emergency directions above separate from this information gathering. Health Canada’s alarm guidance is to leave and seek emergency help, not stay inside to finish a checklist. For a non-emergency fault, call with the observations and confirm the appropriate response.
Sources and owner information
Prepare for the service visit
Have the model and previous service information available. Clear a safe route to the equipment and identify who can authorize the work. Call to confirm availability for loss of heat; an online request alone is not an urgent dispatch confirmation.
Your next step
Call 506.696.7000 to describe the problem and confirm availability. For planned work, request an estimate.
Related services
Boilers & Hydronic Heating · Urgent Gas Service · Water Radiators