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Heat pumps
Heat pumps · Error codes · Dimplex
S11Dimplex · WPM heat pump manager platform (error-code grouping)

S11 on a Dimplex WPM heat pump manager platform: Line load: power-up line load delay required by utilities after voltage restoration or utility block; up to 200 seconds

Short answer

On a Dimplex heat pump, S11 means: Line load: power-up line load delay required by utilities after voltage restoration or utility block; up to 200 seconds. The heat pump keeps running with some functions stopped.

Reviewed 23 September 2026 · 1 source

What it means

The manual says: Line load: power-up line load delay required by utilities after voltage restoration or utility block; up to 200 seconds.

Is it safe?

Does the heat pump stop?Partly
SeverityInformation only
Engineer needed?No

The heat pump keeps running with some functions stopped.

Resetting itself: Automatic.

What you can check

  • Wait up to 200 seconds.

What the engineer will check

The manual does not list the engineer’s checks for this code.

What you might notice

Sources

A code explains what the controller detected, not a confirmed root cause.

Reviewed: 23 September 2026