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Heat pumps · Error codes · Kensa
SSFCKensa

SSFC on a Kensa heat pump: Soft start fault

Short answer

On a Kensa heat pump, SSFC means: Soft start fault. The heat pump stops until the fault clears or is reset. An engineer is needed to fix the cause.

Reviewed 23 September 2026 · 4 sources

What it means

The manual says: Soft start fault.

Part involved: Soft starter.

When it shows: Error level per manual: Fault.

Likely causes:

  • Soft-start (compressor starter) fault - see Kensa soft start fault code list (not published in manuals).

Is it safe?

Switch the heat pump off at its isolator and call an engineer.

Does the heat pump stop?Yes
Engineer needed?Yes

The heat pump stops until the fault clears or is reset.

Resetting itself: unknown.

Manual reset: unknown.

What you can check

  • Note the code shown on the controller/LED; check the heat pump isolator and consumer-unit breaker are on; check thermostat/timer settings.

What the engineer will check

  • Follow Kensa fault table actions: Soft-start (compressor starter) fault - see Kensa soft start fault code list (not published in manuals). Obtain soft start fault code list from Kensa.

Who to ask for: Electrician / Kensa technical support.

Certification: MCS-certified GSHP installer recommended; Kensa-trained.

What you might notice

Sources

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

Reviewed: 23 September 2026