Stannah Stairlift Troubleshooting: What Each Code Means

Key facts

• Stannah 600 series lifts, which cover the Siena, Starla and Sofia, report status as a single digit or letter on the carriage display.
• Codes 3 to 7 are all safety interlocks: an obstruction, the key, an armrest, the seatbelt immobiliser or the seat position. Each clears the moment the condition is corrected.
• Code 1 covers both normal charging and a battery fault, so its meaning depends on whether it clears after a night parked on charge.
• Code 2 means no faults found. It is the lift reporting normal operation, and needs nothing from you.
• Code 9 or F means a service engineer is required. There is no owner fix behind either.
• The same digit means different things on other brands, so never read a Stannah display against another maker’s table.

My Stannah stairlift will not move

Work through the interlocks in the order the display suggests.

If the display shows 4, the power key is not in correctly or the on and off switch is off. Reseat the key fully and switch it on.

If it shows 7, the seat is not in its travelling position. A seat left slightly swivelled at the landing is the most common cause of a lift that seems dead. Swivel it back until it locks facing forward.

If it shows 5, the downside armrest, the one on the stair side, is not lowered. Bring it fully down.

If it shows 6, the immobiliser seatbelt is not fastened correctly. This is an optional fitment, so not every lift has it, but where fitted the lift will not move until the belt is properly closed.

If it shows 3, the lift has detected an obstruction around the footrest or carriage. Check the stairs above and below the carriage, the full length of the rail, and underneath the footrest, then try again.

My Stannah stairlift shows code 1 or will not charge

Code 1 is the ambiguous one, because Stannah’s document gives it as charging, or a battery fault. The way to tell them apart is time. Park the lift properly on its charge point, leave it overnight, and see whether the code clears. If it does, it was charging. If it does not, the battery pack or the charger needs attention, and batteries are the most common non-trivial stairlift repair. Our guides to stairlift batteries and to a stairlift that beeps and will not charge cover the socket, transformer and charge point checks in detail.

Stannah 600 display codes in full

Transcribed from Stannah’s Looking after your stairlift document for the 600 Siena. The 600 series also covers the Starla and Sofia models.

In the comparisons we ran for our fault codes reference, third-party guides reproduced Stannah’s 600 codes accurately, which is not true of every brand. Even so, the manual supplied with your own lift outranks any table published online, including this one.

When to stop and call an engineer

Code 9 or F is the lift telling you directly that a service engineer is required, and there is nothing useful an owner can do behind it. The same applies to a code 1 that survives a full night on charge, a lift that moves but sounds different or judders, a lift that stops short of where it used to stop, and anything that would need a cover removed. Our guides to stairlift repairs and stairlift servicing cover call-out costs and what a service contract includes.

Remote control problems

If the lift runs from the seat control but ignores the landing remotes, change the remote batteries first and check the remote is being used within range and pointed along the stairs. A remote that still does not respond may need reprogramming, which is a service visit job. Mention it at the next annual service rather than booking a separate call-out, unless the lift is parked at the wrong landing and someone cannot get to it.

Getting a Stannah repaired

Stannah manufactures in the UK and runs its own service operation, and a lift under warranty or a service contract should go to Stannah first. Out of contract you have a choice, because the 600 series is common enough that independent stairlift engineers work on it routinely and parts availability is rarely a problem. Our Stannah guide covers the company, our reviews of the Siena and Starla cover the current 600 series models, and our warranty and aftercare guide compares what the brands promise after the install.

Frequently asked questions

Can I reset a Stannah stairlift myself?

Turning the power key off, waiting a few seconds and turning it back on clears a latched interlock once the underlying condition is corrected, and that is the limit of a safe owner reset. If a code returns after a reset, the lift is reporting a real condition, so book a call-out rather than resetting it repeatedly.

What does code 1 mean on a Stannah stairlift?

On the Stannah 600 series, code 1 means charging or a battery fault. Leave the lift parked on its charge point and give it time. If the code does not clear after a full night on charge, the battery pack or charger needs an engineer.

Why has my Stannah stopped with code 3?

Code 3 means the lift has detected an obstruction around the footrest or carriage. Check the full length of the rail, the stairs immediately above and below the carriage, and underneath the footrest, then try again once whatever it found is cleared.

Do these codes apply to every Stannah model?

The table on this page is transcribed from Stannah’s document for the 600 series, which covers the Siena, Starla and Sofia. Older models such as the 260 and the Saxon range use different displays, so check the manual supplied with your own lift.

Is there a number to call for Stannah faults?

Stannah runs its own UK service operation with local support, and a lift under warranty or a service contract should go to Stannah first. Out of contract, independent engineers also service Stannah lifts, and the 600 series is common enough that parts availability is rarely a problem.

Sources

• Stannah, 600 Siena, Looking after your stairlift (PDF). The source for every code and meaning in the table above. Checked 14 September 2026.
• Our stairlift fault codes reference, which sets Stannah’s codes beside Acorn’s and Handicare’s and explains why online code tables disagree.