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Heat pumps
Heat pumps · Error codes · ELCO
2P8ELCO · Aeropur CRX (006/008/012/015) monobloc air-to-water

2P8 on an ELCO Aeropur CRX monobloc air-to-water: HP temperature out of range

Short answer

On an ELCO heat pump, 2P8 means: HP temperature out of range. The heat pump keeps running. An engineer is needed to fix the cause.

Reviewed 23 September 2026 · 1 source

What it means

The manual says: HP temperature out of range.

Is it safe?

Does the heat pump stop?No
SeverityWarning
Engineer needed?Yes

The heat pump keeps running.

What you can check

  • Note the error code shown and give it to your installer / service engineer.

What the engineer will check

  • Check settings and related contacts/components.

What you might notice

Sources

A code explains what the controller detected, not a confirmed root cause.

Reviewed: 23 September 2026