E5 — Cycling error

This code is printed on the enclosure, but the manual for hardware A3.3 / software 4.0 does not document its cause or remedy.

What does fault E5 mean?

This code is printed on the enclosure, but the manual for hardware A3.3 / software 4.0 does not document its cause or remedy.

The manual for hardware A3.3 and software 4.0 does not document a cause or a remedy for this code. The code's label is printed on the enclosure, but no explanation appears in the manual. Contact support for this code rather than acting on a guess.

Contact support

Which model is right for the pump?

Several HYDROSET PM821 faults appear when the unit's rating does not match the pump's nameplate current. The table below gives the right model for each pump current.

Model selection table
Pump currentPump powerModelTypical use
up to 8 Aup to 1.5 kWPM821-81–4 floors, homes and shops
8 – 16 Aup to 3 kWPM821-165–10 floors, booster sets
up to 25 Aup to 4 hpPM821-25Residential, commercial and agricultural

The current on the pump nameplate decides the model, nothing else.

Frequently asked questions

How is a fault cleared?

To clear a fault, press the Cancel key on the main screen.

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Pump controller fault E5 | cause | how to clear | KFGTECH