Acorn Superglide 130 (T502) fault code F4: Over-current

CodeF4 INFERRED
MeaningOver-current
Control boardSuperglide 130 (ISO/BSI) – T502 board INFERRED
How it showsLetter + number on the seat display

Likely causes

Overload – check user weight

Step-by-step checks

  1. Dealer

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

Models using this control board

Other Acorn Superglide 130 (T502) codes

A1 · C5 · E1 · E2 · E3 · E4 · E5 · E8 · E9 · F2 · F4 · F6 · F7 · F8

All Acorn Superglide 130 (T502) codes ›

Source: centralmobility.co.uk/brooks-acorn-stairlift-fault-codes/ ↗

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