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Communications or Software Error
Symptoms:
The batteries are fully charged.
All electrical components are connected correctly.
The power turns on but displays a fault code, other than
previously discussed, when the on/off key is pressed.
See Table 1.
A communication or software fault is found under
Actual Faults or Fault History in the Diagnostics section
of the Curtis Handheld Programmer.
Diagnosis:
There is a module error in the system.
Solution:
Use the following procedure to find the source of the error:
1. Ensure that all of the bus connections are correct. See
diagram 3.
2. Measure resistance on the bus cables. See figure 24.
— If the multimeter indicates an open for any of the
measurements, then replace the bus cable extension (2)
and retest the system.
— If the multimeter indicates less than 1 ohm for all
measurements, then go to the next step.
3. If the power chair is equipped with multiple input
devices, then there will be a splitter or multiplier on the
bus line.
— If there is no splitter, then contact Quantum Technical
Service for further troubleshooting assistance.
— If there is a splitter or multiplier on the bus line, then go
to the next step.
4. Measure resistance on the splitter or multiplier bus
cables. See figure 25.
— If the multimeter indicates an open for any of the
measurements, then replace the splitter or multiplier
and retest the system.
— If the multimeter indicates less than 1 ohm for all of the
measurements, then go to the next step.
5. Contact Quantum Technical Service for further
troubleshooting.
Quantum 614 with NE+ Electronics Technical Troubleshooting Guide
Measure Resistance
Measure Resistance
Measure Resistance
2a
4
5
6
1
2
3
Measure Resistance
Measure Resistance
Measure Resistance
Figure 24. Bus Cable Extension Connectors (2)
4
5
6
4
5
6
1
2
3
1
2
3
Figure 25. Splitter or Multiplier Bus Cables
www.pridemobility.com
2b
6
5
4
3
2
1
Measure Resistance
4
5
6
1
2
3
6
5
4
3
2
1
Measure Resistance
13
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