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Kromschroder BCU 46x / 480 Burner Control Unit

Kromschroder BCU 46x / 480 Burner Control Unit code E 80: Blinking E 80

An error occurred in the flame amplifier for burner one, causing the burner to lock out.

Safety first. This code involves a gas, flame or electrical hazard. Do not keep resetting it. Leave burner, gas train and high voltage work to a qualified technician. WERCS answers 24/7 at (877) 489-3727.
Code
E 80
Name
Blinking E 80
Controller
Kromschroder BCU 46x / 480 Burner Control Unit
Type
Sensor fault
What it does
Fault: the equipment trips and stops
Risk
RED Specialist territory
Reset
Needs a manual reset
Source
The manufacturer's manual (subscribers see which manual and page)

Updated July 23, 2026

How to fix it

Subscribers get:

  • What to do next, in plain words
  • Which manufacturer manual it comes from, linked
  • The 2 common causes listed for this code
  • The step by step check for this problem, one check at a time
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Questions about this code

What does Kromschroder BCU 46x / 480 Burner Control Unit code E 80 mean?

An error occurred in the flame amplifier for burner one, causing the burner to lock out.

Is Kromschroder BCU 46x / 480 Burner Control Unit code E 80 dangerous?

It is graded red, specialist territory: it involves a burner, gas, flame or safety lockout, so leave the repair to a qualified technician.

How do I fix Kromschroder BCU 46x / 480 Burner Control Unit code E 80?

The manual's fix and the step by step check for this code are in WERCS Diagnose, plans from $49 a month. For help right now, WERCS answers 24/7 at (877) 489-3727.

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