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OPERATING - PUP3
Troubleshooting
Erratic behaviour
The charger keeps
waiting for assignment
Remove the communications cables from all
chargers.
Change the switch position to T for all chargers.
Check the resistance value for each charger.
•
The T chargers should have a 120 Ohms resistance
between lines.
•
The NT chargers have open lines or zero resistance.
•
Reason: Poor contact on the communication cables.
Check that all the communication cables are
properly connected on the chargers.
•
Incorrect configuration on the Primary.
•
Incorrect resistance value between communication
lines. Turn off the power to all the chargers (circuit)
and measure the resistance between the wire. If the
measurement is not at or around 60 Ohms, check the
wiring connections per the "Wiring" section above.
•
Charger assignment may last up to 30 seconds.
•
Make sure that no schedules are programmed.
•
Check that the Primary and Secondary chargers are all
paired. If a charger is not paired, the current available to
that charger will be limited to 6 Amps.
•
Verify the configuration of "Maximum Current per
Phase". Remember that a connected vehicle will not
charge unless there is a minimum of 6 Amps available.
If there are other connected vehicles and the available
power is less than 6 Amps, any additionally connected
vehicle will go into a queue and will start charging when
at least 6 Amps is available.
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