E4 (Indoor) or F12 (Outdoor, 1 flash) — EEPROM error

Was bedeutet E4 / F12 (1 flash) ?

This error signifies a problem with the EEPROM (Electrically Erasable Programmable Read-Only Memory) on either the indoor (E4) or outdoor (F12) unit. This memory stores vital operating data.

• Corrupted EEPROM data
• Damaged EEPROM chip
• Faulty PCB

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Turn off the power to the unit for at least 1 minute, then power it back on.

2. 2

   If the error persists, the relevant mainboard (Indoor or Outdoor PCB) needs to be replaced by a technician.