NTI Compass 1 P1 — Boiler Temperature Rose Faster Than 12.6f Per Second
1 P1
Boiler temperature rose faster than 12.6F per second. The boiler temperature rose faster than 12.6F per second, which can be normal operation for several minutes in systems with high and low temperature zones; if there is insufficient circulation a lockout error will result. The table classifies it as Warning.
Applies to
This communication or network fault code is displayed by the Compass control on Compass models (NC085, NC110, NC150, NC199 and combis NC110C, NC150C, NC199C), as documented in NTI Compass Installation and Operation Manual, doc 420011304100 Rev 04 (20240404), Part 13-B Boiler Error Codes (420011304100 Rev 04). Codes can differ between controller generations, so always check the manual that matches your unit.
- NTI Boilers NTI Compass
- NTI Compass NC085
- NTI Compass NC110
- NTI Compass NC150
- NTI Compass NC199
- NTI Compass NC110C
- NTI Compass NC150C
- NTI Compass NC199C
Controller: Compass control. Source manual: 420011304100 Rev 04 (2024-04-04).
Why a code is not a diagnosis
A communication code involves the link between controls (cascade, remote, sensors on a bus). Another unit being off, a wiring fault or an address conflict can all produce it.
Safe things to observe
- Check that every appliance in a multi-unit plant has power.
- Report the code together with any other codes on the system.
Do not
- Do not re-address or rewire control networks yourself.
How professional service helps
- A technician verifies power, wiring and settings across the connected units.
- Combustion and safety devices are verified with an analyser and the manufacturer's procedure after any repair.
Where ROMA provides on-site service
On-site service is currently offered in Greater Vancouver, BC, including Vancouver, Burnaby, Richmond, Surrey, Coquitlam, North Vancouver, West Vancouver, New Westminster, Port Coquitlam, Port Moody, Delta, Langley, Maple Ridge, Abbotsford, Chilliwack, White Rock, Pitt Meadows, Tsawwassen, Anmore, Lions Bay, Belcarra, Bowen Island, Mission. Everything else on this site is reference information you can use anywhere in Canada.
Frequently asked questions
Can I clear this code myself?
Clearing a code without fixing its cause usually just brings it back. Note the code, check the safe items on this page, then call a licensed technician. If your appliance manual describes a user reset for this exact code and it stays away, no call may be needed.
Boiler locked out? Call with the alert text ready.
The brand, model and this alert are passed along when you request service online, so the technician arrives prepared.
On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Sources and verification
- NTI Compass Installation and Operation Manual, doc 420011304100 Rev 04 (20240404), Part 13-B Boiler Error Codes · 420011304100 Rev 04 · accessed September 7, 2026
Facts checked September 7, 2026. Last updated September 7, 2026. Technical reviewer: not yet assigned.