Vaillant gas boiler F.63: what it means and when to call a pro · Thailand

Severity: Stop now

Vaillant gas boiler error F.63. The memory chip (EEPROM) on the boiler's control board is faulty.

Meaning

The memory chip (EEPROM) on the boiler's control board is faulty.

Severity

Stop now

Do not

  • Do not keep pressing reset if F.63 returns. The maker says to contact customer service instead.

Source

Installation and maintenance instructions ecoTEC pro VUW ..6/5-3, Vaillant

The repair: Boiler no heating repair

Prices for repairs in Thailand are in THB.

Other Vaillant codes

  • Vaillant F.75 The boiler did not detect the expected pressure change when the pump started.
  • Vaillant F.00 The flow (outgoing) temperature sensor is disconnected or broken.
  • Vaillant F.01 The return temperature sensor is disconnected or broken.
  • Vaillant F.10 The flow (outgoing) temperature sensor has a short circuit.
  • Vaillant F.11 The return temperature sensor has a short circuit.

Brands in our catalog for gas boiler: Ariston, Baxi, Bosch, Ferroli, Ideal, Potterton, Vaillant, Viessmann, Worcester Bosch. The same code on another brand is not in the catalog yet, and we do not guess what it means.

All Vaillant codes

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