RCCS on a Dimplex WPM heat pump manager platform: Room climate control station fault (silent cooling only): break or short-circuiting sensor in the room climate control station, or number of connected stations does not match the number set
Short answer
On a Dimplex heat pump, RCCS means: Room climate control station fault (silent cooling only): break or short-circuiting sensor in the room climate control station, or number of connected stations does not match the number set. The heat pump keeps running with some functions stopped. An engineer is needed to fix the cause.
Reviewed 23 September 2026 · 1 source
What it means
The manual says: Room climate control station fault (silent cooling only): break or short-circuiting sensor in the room climate control station, or number of connected stations does not match the number set.
Part involved: Room climate control station.
When it shows: Only with silent cooling active.
Likely causes:
- Sensor break/short in room climate control station.
- Station count mismatch.
Is it safe?
| Does the heat pump stop? | Partly |
|---|---|
| Severity | Fault — needs a manual reset once the cause is fixed |
| Engineer needed? | Yes |
The heat pump keeps running with some functions stopped.
Resetting itself: Esc.
Manual reset: Esc.
What you can check
- Inform your local technician.
What the engineer will check
- Check station wiring/sensors and configured station count.
Who to ask for: heat pump controls.
What you might notice
Sources
- Dimplex WPM EconPlus / WPM EconR heat pump manager - Operating instructions for users (Order no. 452114.66.57, FD 8902) ↗ · 452114.66.57 FD 8902 · page EN-16 (ManualsLib p.38) · Reviewed 23 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 23 September 2026