Vaillant · Heat pumps · Vaillant aroTHERM plus with uniTOWER plus
S.173Anti-cycling time for the energy supply company
Name in the manufacturer's documentation (service manual): Anti-cycling time for the energy supply company
[1]
In plain words (editorial)
This is a status message, not a fault. The energy supply company has interrupted the mains supply (anti-cycling time); the maximum duration is set in the configuration.
When to call a service technician: No action needed.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →
Sources
Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.
- [1] Vaillant uniTOWER plus VIH QW 190/6 E – Operating, installation and maintenance instructions (0020291525_05) (0020291525_05) , p. 57 official manufacturer document quote verified
S.173 Anti-cycling time for
- [2] Vaillant uniTOWER plus VIH QW 190/6 E – Operating, installation and maintenance instructions (0020291525_05) (0020291525_05) , p. 57 official manufacturer document quote verified
The mains voltage supply is interrupted by the energy supply
- [3] Vaillant uniTOWER plus VIH QW 190/6 E – Operating, installation and maintenance instructions (0020291525_05) (0020291525_05) , p. 57 official manufacturer document quote verified
The mains voltage supply is interrupted by the energy supply company