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QM-7 SERIES SERVICE MANUAL

PAGE 3.2

JANUARY 2012 SUNRISE MEDICAL

Section 3

Battery Connection Test

1. Check that the female VR2 Bus plug on

the chair has voltage. Set the meter to DC volts

and measure pins 4 (using the red lead of the

meter) and 1 (using the black lead of the meter)

as shown in (fig 3.2.1)

Fig 3.2.1

Fig 3.2.2

2. If the voltage meter reads full voltage, then

replace the joystick module

If the voltage meter reads zero voltage, measure

the corresponding pins on the VR2 controller as

shown in (fig 3.2.2).

If the voltage meter reads full voltage, then

replace the jumper cable. If the voltage meter

reads zero, then measure the Battery Connector

as shown in (fig 3.2.3). If the voltage meter reads

full voltage, replace the controller, or proceed to

the next step.

Fig 3.2.3

Check Battery Wire Harness

1. Check that the battery wire harness has the

correct polarity. Set the meter to dc volts and

measure the connector with the red lead on the

positive terminal, and the black lead on the nega-

tive terminal as shown in (figure 3.2.4). If the

voltage is absent Replace the Main Battery wire

Harness. If the polarity is reversed correct bat-

tery wiring.

Note: For access to batteries, refer to beginning of Section 7 (Battery Access/ removal)

Fig 3.2.4

Quickie QM-7 Series User Manual

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