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Riello RDB 3.2 BT 50/70 Burner Control

Riello RDB 3.2 BT 50/70 Burner Control Green + red blinking (0.5s/0.5s): Reset button: green and red blinking

The burner control locks out because it detects extraneous light or a parasite flame signal.

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
Green + red blinking (0.5s/0.5s)
Name
Reset button: green and red blinking
Controller
Riello RDB 3.2 BT 50/70 Burner Control
Type
Flame failure
What it does
Warning: the equipment keeps running and flags a problem
Risk
RED Specialist territory
Reset
Clears on its own when the condition goes away
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 3 common causes listed for this code
  • The step by step check for this problem, one check at a time
  • Booking a live video call with Ben, a master booth technician ($250/hr, paid per call)

Questions about this code

What does Riello RDB 3.2 BT 50/70 Burner Control Green + red blinking (0.5s/0.5s) mean?

The burner control locks out because it detects extraneous light or a parasite flame signal.

Is Riello RDB 3.2 BT 50/70 Burner Control Green + red blinking (0.5s/0.5s) 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 Riello RDB 3.2 BT 50/70 Burner Control Green + red blinking (0.5s/0.5s)?

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.

Other Riello RDB 3.2 BT 50/70 Burner Control codes

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