Test Procedures; Testing The Motor - Invacare Storm4 Service Manual

®
Invacare - STORM
7

Test procedures

7.1

Testing the motor

Requirements:
· digital multimeter with resistance measurement
·
Remove the rear panel as described in chapter 8.1.1.
·
Pull the motor plug (1) out of the power module.
·
Connect the digital multimeter to the motor plug contacts (3) and measure the resistance
between the contacts.
Note
A resistance of between 0.5 and 5 ohms indicates a motor ready for operation.
A resistance of between 15 ohms and infinity indicates a defective motor. High resistances are
normally caused by bad connections or worn carbon brushes.
4
SERVICE MANUAL
35