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Weather comp icon

Domestic hot water temperature cannot be adjusted — Weather compensation active

Daikin · Altherma Heat Pumps

What does Weather comp icon mean?

If you see the cloud symbol on the display, it means the domestic hot water temperature is automatically controlled based on weather compensation. In this mode, manual adjustment from the home menu is not possible.

Common Causes

  • System is set to weather compensation mode for domestic hot water

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Understand that this is normal operation when the cloud symbol is displayed.

  2. 2

    The system will automatically adjust water temperature based on external weather conditions.

  3. 3

    Refer to the full Daikin Altherma operation manual for advanced settings or to change modes if desired.

Browse all codes in this manual (10)
Verified technical data. Last updated: April 2026

Related Faults

Fault codeSystem not operating — Fault code displayed on controllerNo green light (DHW)Cannot adjust domestic hot water settings — DHW function is offNo green light (Room Temp)Cannot adjust room temperature settings — Room temperature function is off
Source: Daikin Altherma Heat Pumps
Open Manual (Page 7)Search more codes in this manual