!
error Itho Daalderop
Error Code B2
Reset failed — frequent resets when errors are still present
? What Causes This
Frequent reset attempts while errors persist.
✓ How to Fix It
- Address and correct the underlying error first.
- Reset appliance by disconnecting power for 20 seconds before reconnecting.
- Check connections/cabling, rectify issues as needed.
- Replace control board if unresolved.
Source: page 37 of the official manual
From the manual
This error code appears in:
Itho Daalderop 120l Smart Upp Boiler