How can we help you? What should I do after I try troubleshooting and I think my Hoveround power chair needs to be serviced? 1 out of 4 found this helpful If you have tried all of the tips in the owners manual and your power chair is still not working then call our Technical Support Department at 1-800-96-HOVER (46837). Was this helpful? Yes (1) No (2) Category: General Related Questions FAQ for Pneumatic Tires Does Hoveround send a technician out to my house every time a service issue arises? How do I replace the batteries on my MPV4 or MPV5 power wheelchair? How long is the warranty on my Hoveround power chair?