RHYTHM SERVICE MANUAL
PAGE 3.1
2009SUNRISE MEDICAL
Section 3
Check that the batteries are fully charged and in good
condition; and check all cables and connections. Check
the connections to the left motor, look for a loose or
damaged connector.
Use the meter to check the resistance across the two
bottom contacts (thicker wires) on the 4-pin motor
connector as shown in (figure 3.1.1). If the meter reads
between 0 to 1.5 ohms, then replace the controller. If
none of the above corrects the problem, replace the left
motor.
Two Bars - Left Motor Disconnected
One Bar - Low Battery Voltage )
This code could indicate discharged batteries, failed batteries, or poor battery connections. Begin by recharging
the batteries and then refer to Section 1 to check batteries and connections.
A3.1.2
A3.1.1
Otherwise, check the brushes on the left motor (Figure
A3.1.2). Ensure that they are not excessively worn.
Replace as required.
VR2 Controller Diagnostic Codes
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