TK Access (thyssenkrupp) Flow2 – fault codes, parts & serial label
Typecurved
Years / revisionFlow2A
Control boardF-code display CONFIRMED
Fault codes (20)
From the Flow2 – F error codes code set. All Flow2 – F error codes codes
| Code | Meaning | Checks |
|---|---|---|
| F01 / F02 | Obstruction left / right | Drive the other way, clear it |
| F05 / F07 | Tilt beyond 5° / 7° | Engineer: levelling sensor/safety board |
| F12 - F14 | Over-current | Engineer |
| F15 - F17 | Hall sensor fault | Engineer |
| F21 | Battery under 19 V going up | Drive down to charge |
| F22 | Battery under 14 V or over 30 V | Replace batteries (engineer) |
| F23 | Brake circuit | Engineer |
| F32 | User emergency stop | Refit joystick |
| F33 | Overspeed device tripped | Engineer |
| F37 | Swivel beyond 110° | Turn seat back |
| F52 / F53 | Drive / swivel position unknown | Drive to reset point |
| F55 | Brown-out | Engineer |
| F72 | Emergency stop test due | Remove and refit the joystick |
| F74 | Manual swivel turned | Return seat |
| F75 | Battery under 21 V – no upward travel | Drive down to charge |
| F76 | Needs charging | Charge until it clears |
| F77 / F78 | Motor temperature | Let it cool |
| Two-tone beep every 13 s | Not on a charge point | Park on charging point |
| Red LED flashing + fast ping | Obstacle – opposite direction only | Drive away and clear |
| Red LED steady + fast ping | Malfunction | Engineer |
Serial code label
No serial location data yet for this stairlift. Serial codes
Parts (5)
| Part | Part no. |
|---|---|
| Thyssen Flow 2 Stairlift Batteries | |
| Thyssen Flow 2 Motor Brush Set | |
| Thyssen Flow 2 Charger transformer | |
| Thyssen Flow 2 Main Drive Motor | |
| Thyssen FLOW 2 OSD/OSG Device |
Summarised from public manuals and supplier listings. Always check the product's own manual before any repair.