Riello RS/E BLU Burner Control (REC 27.100A2 with RDI21 display)
Riello RS/E BLU Burner Control (REC 27.100A2 with RDI21 display) code c: 95: c: 95 (with d: 3/4/5/6)
An active contact caused a relay supervision error with the external power supply, which stops the burner control from operating the valves or ignition transformer.
- Code
- c: 95
- Name
- c: 95 (with d: 3/4/5/6)
- Controller
- Riello RS/E BLU Burner Control (REC 27.100A2 with RDI21 display)
- Type
- General fault
- What it does
- Lockout: the control shuts down and stays off until it is reset
- 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
- Booking a live video call with Ben, a master booth technician ($250/hr, paid per call)
Questions about this code
What does Riello RS/E BLU Burner Control (REC 27.100A2 with RDI21 display) code c: 95 mean?
An active contact caused a relay supervision error with the external power supply, which stops the burner control from operating the valves or ignition transformer.
Is Riello RS/E BLU Burner Control (REC 27.100A2 with RDI21 display) code c: 95 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 RS/E BLU Burner Control (REC 27.100A2 with RDI21 display) code c: 95?
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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