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Heat Pump Fault Finder AU

Verified codeset result

The manufacturer documentation publishes fault code E79 for the Enviroflo 215L and 265L controller display, mapped to the affected Rinnai models listed below.

Fault code E79

Rinnai Enviroflo 215L and 265L controller display: E79

Enviroflo 215L and 265L controller display

Rinnai logo (for identification)

Last verified from the captured official source review.

E79 meaning for this display codeset

This page isolates Rinnai fault code E79 for the Enviroflo 215L and 265L controller display. It does not combine the Rinnai E79 meaning with another controller or codeset.

Before applying the Rinnai E79 meaning, confirm the affected model uses the Enviroflo 215L and 265L controller display. In that controller namespace, E79 means documented as 4 way valve failed to reversal 3.

The Rinnai Enviroflo 215L and 265L Heat Pump Error Codes source anchor on page 4 supports this Rinnai E79 record for the Enviroflo 215L and 265L controller display.

The permanent source key rinnai-enviroflo-215-265-display E79 keeps the rinnai-enviroflo-215-265-display E79 controller/code pairing distinct in publication.

What the documentation says

Documented as 4 way valve failed to reversal 3.

This is a paraphrase of the manufacturer’s documentation. A licensed technician confirms the actual cause.

Severity

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Repair, replacement and warranty context

Start with diagnosis, then compare repair and replacement

An amber classification usually calls for a diagnosis and repair quote, not automatic replacement. Compare parts availability, repair cost and system age only after the fault has been confirmed by an appropriately licensed professional.

This brand has a verified current Australian support route, so check warranty coverage with the manufacturer before authorising paid repair or replacement work.

Affected models

Every model mapped to this codeset is listed with the evidence match state used by this site.

These codes appear in the same documented controller or display codeset.

  • E76

    Documented as low pressure sensor failure 3.

  • E77

    Documented as low pressure sensor failure 4.

  • E78

    Documented as the external phase sequence expansion board failure.

  • E80

    Documented as power input failure (connect the 3 phase power to single phase unit).

  • E81

    Documented as high pressure protection 3.

  • E82

    Documented as low pressure protection 3.

Choose the right next step

Warranty or local repair?

Answer both questions. If the unit may be covered, we will direct you to the manufacturer first. Your answers stay in this page unless you submit a repair request.

Choose both answers to see the recommended route.

Official source

Where this result comes from

Rinnai Australia. Rinnai Enviroflo 215L and 265L Heat Pump Error Codes, PDF page 4. Retrieved .