What does the fault code F0 mean in Bosch Junkers?

Name: Junkers Euromaxx ZWC28 1MF2A PCB Ref. 87172076530
Brand: Bosch Junkers
SKU: PLBO165
Price: 100 EUR
Availability: InStock

Internal fault/PCB fault Internal fault of the PCB (Heatronic/PCB) detected by self-diagnosis; it is checked by verifying connections and power supply to the PCB and, if it persists, replacing the board.

RefurbishedBosch Junkers PCBs (control boards)

Junkers Euromaxx ZWC28 1MF2A PCB Ref. 87172076530

Ref. 87172076530 2

100 €VAT includedIn stock · 2 units

PCB (control board): refurbished spare part that controls the ignition, modulation, and safety features of the boiler. Useful if the boiler does not ignite, locks out, or the display is unresponsive. Reference 87172076530 2. Includes a one-year warranty and delivery within 2–4 working days in the EU.

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Delivery in 2–4 working days

1-year warranty

14-day return

Technical support

Key Data

Reference: 87172076530 2
Brand: Bosch Junkers
Type of part: PCBs (control boards)
Available units: 2 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

Fault codes related to this part (not the entire boiler). They usually have more possible causes: first rule out electrodes, wiring/connections, and gas supply. Verified with ≥3 sources.

Code	What does it mean?	Cause and diagnosis (this part)
F0	Internal fault\PCB fault	Internal fault of the PCB (Heatronic/PCB) detected by self-diagnosis; it is verified by checking connections and power supply of the printed circuit, and if it persists, replacing the PCB.

Junkers Euromaxx ZWC28 1MF2A PCB Ref. 87172076530

Key Data

Spare Parts Related Boiler PCB Junkers Euromaxx ZWC28 1MF2A