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Feeling too hot

Feeling too hot — Temperature setting or schedule issue

Daikin · Altherma 3 H HT W

What does Feeling too hot mean?

Your living space is too warm. This may be because the target temperature is set too high or the heating schedule needs adjustment.

Common Causes

  • Target room temperature is set too high
  • Heating schedule is set too high

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the target room temperature setting and adjust it lower if necessary.

  2. 2

    Review your heating schedule settings and modify them if needed.

  3. 3

    Adjust the external thermostat's on/off temperature settings.

Browse all codes in this manual (11)
Verified technical data. Last updated: April 2026

Related Faults

Blinking blue LEDBlinking blue LED — Unit is in standby modeBlinking red LEDBlinking red LED — An error has occurredContinuous blue LEDContinuous blue LED — Unit is operating
Source: Daikin Altherma 3 H HT W
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