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QUICKIE S-11 SERVICE MANUAL
PAGE 7
2005SUNRISE MEDICAL
Understanding VSI Controller Diagnostics Codes (cont.)
Test Right Motor Open
Check that the batteries are fully charged and in good
condition, and check all cables and connections. Check
the connections to the right motor, look for a loose or dam-
aged connector. Remove the 9-pin Beau plug and check
the resistance across pin 1 and pin 2 as shown on (figure
A3.4.1). If the meter reads between 0 to 1.5 ohms, then
replace the controller.
Use the meter to check the resistance across the two
bottom contacts of the thicker wires on the 4-pin motor
connector as shown in (figure A3.4.3). If the meter reads
between 0 to 1.5 ohms, then replace the main harness. If
none of the above corrects the problem, replace the right
motor.
3.4 Four Bars- Right Motor Disconnected
The right hand motor has a bad connection. Check the connections to the right hand module.
1 3
5
7
2
4
6 8
9
A3.4.1
A3.4.2
A3.4.3
If the meter reads between 0 and 1.5 ohms, then replace the controller.
If the meter reads between 0 and 1.5 ohms, then replace the main harness. If this does not correct the prob-
lem, then replace the right motor.
Otherwise, check both brushes on the right motor. (Refer to
Section 4 Step 9 of this Service Manual for easiest access).
Ensure that the brushes are not excessively worn, (replace
as required). Top access for Motor brush shown in (figure
A3.4.2) (requires shroud removal).
OFF
1000
200
20
2000m
200m
20M
2000K
200K
20K
2000
200
10A
200m
20m
2000u
200u
200
750
V AC
V DC
OHM
A DC
DIGITAL MULTIMETER
V mA
COM
10A
OFF
1000
200
20
2000m
200m
20M
2000K
200K
20K
2000
200
10A
200m
20m
2000u
200u
200
750
V AC
V DC
OHM
A DC
DIGITAL MULTIMETER
V mA
COM
10A