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Ask Machinc Your Own Question
Machinc, General Contractor
Category: Home Improvement
Satisfied Customers: 913
Experience:  Has written home improvement articles since 2008. Earned South Carolina Residential Builders License in 1991.
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How do I install batteries in a thyssenkrupp BOS Citia stair

Customer Question

how do I install batteries in a thyssenkrupp BOS Citia stair lift
Submitted: 1 year ago.
Category: Home Improvement
Expert:  Machinc replied 1 year ago.

You might want to check the charger first. The batteries can last for years.

The batteries are located next to the motor.

You have to remove the motor cover . Under the seat

Then the circuit board will show. usually mounted on a hinged aluminum plate that flips up. The batteries are sode by side and jumpered with plug on connectors.

I will be back in a few moments with more details

Expert:  Machinc replied 1 year ago.

As you already stated the manual is not too doecific.

however once you get the cover off you should see them.

They will be crossed connected in series to make 24 volts.

they are usually black abd will be tucked in pretty tight.

Expert:  Machinc replied 1 year ago.

While they are not dificult to replace there are several plug in

connectors involved and ususlly a (test, charging plug) Thyssen Krupp reccomends this procedure be perforned by a trained technician.

Expert:  Machinc replied 1 year ago.

There is a bit of plugging and unplugging involved

as the batteries do not simply install into a slot.

Polarity must be maintained along with keeping the batteries

Jumpered in series. This may vary slightly in newer units.

I wilk be glad to answer any questions you may have.