---
title: "Wolf built-in oven error code 07028"
description: "Wolf built-in oven error code 07028: wolf error code 07028: two boards inside the appliance have stopped hearing each other, on a built-in oven, where every…"
url: "https://wolfmiami.support/error-codes/error-code-07028-wall-oven/"
date_modified: "2026-08-20"
Product line: "E Series legacy"
---


# Wolf built-in oven error code 07028

### What this one means

Two boards inside the appliance have stopped hearing each other, on a built-in oven, where every part named here sits behind trim that is screwed into the cabinetry rather than behind a panel that slides out. It is a code the manufacturer publishes for this appliance, not one we have worked out — and it is decoded here rather than left as three characters on a display.

### What the code covers

A published cause names a circuit rather than a component, which is the single most useful thing to know before ordering a part. This one covers:

- The ribbon or harness between the control head and the board that switches the loads
- Either board's own transceiver
- A connector that has worked loose behind a fascia that gets hot every day
- Touch pad communication error detected by the user interface module
- HIV SPI Com ERR Detected by RIM Control

### Worth doing before you call

- Note which cavity it is on a double oven — the code says upper or lower and that is half the diagnosis
- Switch the breaker off for thirty seconds and back on, and see whether the display returns

### Then what

A network error is a wiring question before it is a parts question, and the wiring lives behind the control panel. It is not a panel a homeowner should have off with the appliance live.

This code is published for built-in ovens & steam ovens. The [full list of codes](https://wolfmiami.support/error-codes/) has the rest of them, searchable, including the labels older and newer machines use for the same conditions.

Built-in ovens & steam ovens

What this code means

What this one means

Two boards inside the appliance have stopped hearing each other, on a built-in oven, where every part named here sits behind trim that is screwed into the cabinetry rather than behind a panel that slides out. It is a code the manufacturer publishes for this appliance, not one we have worked out — and it is decoded here rather than left as three characters on a display.

What the code covers

A published cause names a circuit rather than a component, which is the single most useful thing to know before ordering a part. This one covers:

The ribbon or harness between the control head and the board that switches the loads

Either board's own transceiver

A connector that has worked loose behind a fascia that gets hot every day

Touch pad communication error detected by the user interface module

HIV SPI Com ERR Detected by RIM Control

Worth doing before you call

Note which cavity it is on a double oven — the code says upper or lower and that is half the diagnosis

Switch the breaker off for thirty seconds and back on, and see whether the display returns

Then what

A network error is a wiring question before it is a parts question, and the wiring lives behind the control panel. It is not a panel a homeowner should have off with the appliance live.

This code is published for built-in ovens & steam ovens. The full list of codes has the rest of them, searchable, including the labels older and newer machines use for the same conditions.

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**[Read full article: Wolf built-in oven error code 07028](https://wolfmiami.support/error-codes/error-code-07028-wall-oven/)**