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error Itho Daalderop

Error Code LED blinks 5 times

Indicates an HMI error or hardware failure, red LED.

? What Causes This

Software malfunction or low power supply issues.

How to Fix It

Reset the appliance by shutting off and turning back on. Seek service if issue persists.

Source: page 34 of the official manual

From the manual

Manual page 34 — Itho Daalderop error LED blinks 5 times

This error code appears in:

Itho Daalderop 120l Smart Upp Boiler