Acorn 180 curved fault code J1 - J3: Levelling/position difference or levelling safety mode

CodeJ1 - J3 INFERRED
MeaningLevelling/position difference or levelling safety mode
Control board180 curved (ex Bison 80) – T565 display CONFIRMED
How it showsLetter + number on display under the seat

Likely causes

Levelling system

Step-by-step checks

  1. Drive to the top charge point
  2. Engineer if it stays

Stairlift faults that stay after these checks are a job for a trained engineer.

Models using this control board

Other Acorn 180 curved codes

Blank · A1 · A9 · E1 · E2 · E3 · E4 · E5 · E6 · E7 · F5 · F7 · C2 · C3 · C5 · E8 · E9 · F1 · F2 · F3 · F4 · F6 · F8 · F9 · H1 · H2 · H3 · H4 · H5 · H6 · H7 · H8 · H9 · J1 - J3 · J4 - J8

All Acorn 180 curved codes ›

Source: anglian-lifts.co.uk/acorn-180-curved-stairlift-error-codes-faults-expl ↗

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