Curtis 1212 / 1212P fault code 4,3: EEPROM checksum fault

Code4,3
MeaningEEPROM checksum fault
Controller1212 / 1212P CONFIRMED
How it showsTwo-group LED flash e.g. 1 flash, pause, 4 flashes = '1,4'. Drive Scout uses red leftmost gauge LED

Likely causes

Corrupt parameters

Step-by-step checks

  1. Needs programmer

Switch off before unplugging anything. If the code stays after these checks, get a trained technician to look at it.

Models using this controller

Other Curtis 1212 / 1212P codes

1,1 · 1,2 · 1,3 · 1,4 · 1,5 · 2,1 · 2,2 · 2,3 · 2,4 · 3,1 · 3,2 · 3,3 · 3,4 · 3,5 · 4,1 · 4,2 · 4,3 · 4,4 · 4,5 · Red leftmost LED flashing

All Curtis 1212 / 1212P codes ›

Source: cdn.curtisinstruments.com/products/manuals/1212_manual_en.pdf ↗

Summarised from public manuals. Always check the product's own manual before any repair.