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Feeling too cold

Feeling too cold — Temperature setting or schedule issue

Daikin · Altherma 3 H HT W

What does Feeling too cold mean?

Your living space is not reaching the desired temperature. This could be due to incorrect temperature settings or programmed schedules.

Common Causes

  • Target room temperature is set too low
  • Heating schedule is not optimized
  • Incorrect thermostat settings

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the target room temperature setting and adjust it higher 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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