RHYTHM SERVICE MANUAL
PAGE 4.1
2009SUNRISE MEDICAL
Section 4
R-net Troubleshooting Procedures
Chair Will Not Power Up
2
1
3
1. Check for battery voltage at the hand
control using a Multimeter. Connect the Multimeter
between the two outside pins (fig 4.1.1), pin 1 is
positive (+), pin 2 is negative (-). Note: Positive is
on the right.
2. If battery voltage is present, replace the
following components in this order:
a. Cables
b. Hand control
c. Control module. Refer to Control Module
Replacement section of this manual.
d. Retest as necessary.
3. Verify that the bus cables are correctly
mated between the hand control and the control
module (fig 4.2).
Note: This connector is mated incorrectly.
The connectors are designed to visually
indicate when they are not mated correctly.
If yellow is showing between the halves (A),
push them closer together until only black is
visible. Retest as necessary.
A
fig. 4.1.1
fig. 4.1.2
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
+
-
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