CLASS II Device recall · Reported 30 Jul 2014 · FDA Enforcement Report

MK5 NX Controller--Wheelchair controller recalled by Invacare

Invacare is recalling MK5 NX Controller--Wheelchair controller, distributed nationwide in the US. The recall was initiated on 24 Jun 2014 and the FDA has classified it as Class II.

Check your package

Lot, batch or date codesP/N 1143839
Quantity recalled819

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

Recall details

Recall number
Z-2091-2014
FDA event ID
68622
Recalling firm
Invacare, Elyria, OH
Classification
Class II
Status
Terminated
Recall initiated
24 Jun 2014
FDA classified
22 Jul 2014
Reported
30 Jul 2014
Type
Voluntary: Firm initiated
Customers notified by
Letter
Reason category
Other Reasons

Timeline

24 Jun 2014Recall initiated by company
22 Jul 2014Classified by FDA+28 days
30 Jul 2014Published in enforcement report+8 days

Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.

Reason for recall

M41 Powered Wheelchairs received through Invacare Service Parts (ISP) have controllers that were programmed in a way this is not aligned to standard factory settings. The controller during different settings such as max forward speed, max forward acceleration, max reverse speed and max turning speed can result in momentary loss of control.

Product as listed by the FDA

MK5 NX Controller--Wheelchair controller

Where it was distributed

Nationwide Distriution: CA, SC, IL, UT, TN, KS, HI, NJ, LA, TX,FL, IN, AL, AZ, MN, WI, MN, MI, AR,MA, GA, MS, NJ, NM, OK, ME, PA, NY, NC, OK, MO, WA, IA, OR,KY, MD, NE, ID, VA, WA, ND, MT, OH, NH, CT. Also shipped to Canada

Nationwide AlabamaArkansasArizonaCaliforniaConnecticutFloridaGeorgiaHawaiiIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesota

Questions about this recall

Is MK5 NX Controller--Wheelchair controller recalled?

Yes. Invacare recalled MK5 NX Controller--Wheelchair controller on 24 Jun 2014. The recall is Class II and its status is Terminated. Recall number Z-2091-2014.

Why was it recalled?

M41 Powered Wheelchairs received through Invacare Service Parts (ISP) have controllers that were programmed in a way this is not aligned to standard factory settings. The controller during different settings such as max forward speed, max forward acceleration, max reverse speed and max turning speed can result in momentary loss of control.

Which lots are affected?

P/N 1143839

Where was it sold?

Nationwide Distriution: CA, SC, IL, UT, TN, KS, HI, NJ, LA, TX,FL, IN, AL, AZ, MN, WI, MN, MI, AR,MA, GA, MS, NJ, NM, OK, ME, PA, NY, NC, OK, MO, WA, IA, OR,KY, MD, NE, ID, VA, WA, ND, MT, OH, NH, CT. Also shipped to Canada

What should I do if I have it?

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

What does Class II mean?

Class II means the product may cause temporary or medically reversible health problems, or the probability of serious harm is remote.

Read the official FDA notice · Source record retrieved 21 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.

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