RHYTHM SERVICE MANUAL
PAGE 5.1
2009SUNRISE MEDICAL
Power Chair Displays a Fault on the Hand Control or Omni
The R-Net control used on this power chair
is constantly monitoring for conditions that can
cause unsafe or erratic operation. When a fault
is displayed, refer to the fault code table in this
manual for a list of corrective actions.
The following identifi es which module of the
control system has registered the problem.
• PM-Power Module (Control Module)
• JSM-Joystick Module/Omni Module
• ISM-Intelligent Seating/lighting Module
Module Error
PM
0506
Identifi ed Module
Trip Code
Trip Text
Trip Text Corrective Action
Joystick Error Ensure that the joystick is centered upon power up. If it is centered, replace the
hand control.
Low Battery Recharge the batteries. After charging, perform the Battery Testing section of
this manual.
High Battery Verify that the battery charger is not defective. Leave the chair on for a few
minutes to drain off the excess charge. Check the condition of the battery
charger.
M1 Brake Error Verify that the left motor
is connected to the module.
Check brake resistance
at the motor connector.
Brake resistance should
be approximately
16 ohms.
M2 Brake Error Verify that the right
motor is connected to
the control module.
Brake resistance should be
approximately 16 ohms.
Brake resistance should
be approximately
16 ohms.
Table 1, Error Codes
R-net Fault Codes
Section 5