Heat pumps · Error codes · Cool Energy
AL012Cool Energy · inverTech (R410A, Carel control)
AL012 on a Cool Energy inverTech: Cond.fan work hourWarn
Short answer
On a Cool Energy heat pump, AL012 means: Cond.fan work hourWarn. The heat pump keeps running.
Reviewed 23 September 2026 · 1 source
What it means
The manual says: Cond.fan work hourWarn.
Is it safe?
| Does the heat pump stop? | No |
|---|---|
| Severity | Information only |
| Engineer needed? | No |
The heat pump keeps running.
What you can check
- Read and note the code shown on the controller display, then contact your installer or service engineer.
What the engineer will check
- Check running-hour counters and reset after scheduled maintenance per controller menu.
Who to ask for: heat pump service engineer.
Certification: None specific.
What you might notice
Sources
- Cool Energy inverTech Monoblock Series Heat Pump Water Heaters - Installation and Users Guide v6.6 (2020) ↗ · Version 6.6 · page 28 · Reviewed 23 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 23 September 2026