It depends on these things:
accessable provides the national repair service for ACC rehabilitation equipment. You can find contact details and a repair request form on accessable's website.
Go to Accessable repair services
Contact the equipment provider for the region you live in.
Auckland and Northland regions
accessable provides the Ministry of Health equipment repair service for these regions. You can find contact details and a repair request form on accessable's website.
Go to Accessable repair services
Rest of New Zealand
Enable New Zealand provides the Ministry of Health equipment repair service regions south of the Bombay Hills. You can find a list of equipment service agents on Enable New Zealand's website.
Go to Enable New Zealand - Equipment service agents
You could:
Firstport can help you: