Viessmann · Boiler

I.59 Parameters restored

Menu / mode display Vitodens 200-W B2HE

What the display is showing

A parameter set was flashed to the BCU electronics module.

Applies to: Vitodens 200-W B2HE 85, 120, 150, 199

Models that show this code

4 models in Vitodens 200-W B2HE

B2HE-120B2HE-150B2HE-199B2HE-85

Other codes on the same units

F.92 ADIO module communication error
F.94 PlusBus voltage error
I.56 External demand active
I.57 External blocking active
P.1 Service interval reached
P.4 Top up heating water
P.8 Service due after burner hours
S.154 Internal flow switch open

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Source: Viessmann Vitodens 200-W B2HE 85/120/150/199 Service Instructions 6167 813-24 (09/2026), Further messages, p.74. Summarized in our own words; check the original manual for your model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.