Heat pumps · Error codes · Aira
LIGHT-PULSATING-RED-CENTREAira · Heat Pump (Aira Outdoor Unit)
LIGHT-PULSATING-RED-CENTRE on an Aira Heat Pump: Error - check your app for more info
Short answer
On an Aira heat pump, LIGHT-PULSATING-RED-CENTRE means: Error - check your app for more info. The manual does not say whether the heat pump stops. An engineer is needed to fix the cause.
Reviewed 23 September 2026 · 1 source
What it means
The manual says: Error - check your app for more info.
Part involved: indoor unit light bar.
Likely causes:
- Any active error (see app).
Is it safe?
| Does the heat pump stop? | Not stated |
|---|---|
| Engineer needed? | Yes |
The manual does not say whether the heat pump stops.
Resetting itself: unknown.
Manual reset: unknown.
What you can check
- Open the Aira app to read the alert and contact Aira customer support.
What the engineer will check
- Remote/site diagnosis by Aira.
Who to ask for: Aira-employed Clean Energy Technician (R290 heat pump).
Certification: Aira-trained/licensed technician; R290 flammable refrigerant competence for refrigerant work.
What you might notice
Sources
- Get to know your Aira Heat Pump system (homeowner guide, UK) ↗ · UK homeowner guide · page ManualsLib p.8 (printed p.15); installer manuals p.9 · Reviewed 23 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 23 September 2026