Heat pumps · Error codes · Dimplex
S7Dimplex · WPM heat pump manager platform (error-code grouping)
S7 on a Dimplex WPM heat pump manager platform: System control: the system control has been activated by a user for approx. 24 hours
Short answer
On a Dimplex heat pump, S7 means: System control: the system control has been activated by a user for approx. 24 hours. The heat pump keeps running with some functions stopped.
Reviewed 23 September 2026 · 1 source
What it means
The manual says: System control: the system control has been activated by a user for approx. 24 hours.
Is it safe?
| Does the heat pump stop? | Partly |
|---|---|
| Severity | Information only |
| Engineer needed? | No |
The heat pump keeps running with some functions stopped.
Resetting itself: Ends automatically after ~24 h.
What you can check
- Wait for the 24-hour system control period to end or ask the installer.
What the engineer will check
The manual does not list the engineer’s checks for this code.
What you might notice
Sources
- Dimplex WPM Touch heat pump manager - Operating instructions for users and specialists (Order no. 452117.66.02-EN, WPM3.13 / Display 1.15) ↗ · 452117.66.02-EN FD 0302 · page 56 · Reviewed 23 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 23 September 2026