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The inverter goes down the procedure automatically; every phase is marked by a
different message on display.
In case of problems, mainly in the first phase, consider the following suggestions.
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AFNZPxxx– DUALACE2 NEW GENERATION – User Manual
The next part is a sort of verification, where the motor is accelerated up
to 50 Hz in closed-loop mode.
Because of the closed loop, the speed reported on display must be
stable.
If something has gone wrong (rotor is not correctly aligned because of
friction on the shaft or any other problem), it is possible that rotor starts
spinning at uncontrolled speed with high current absorption. The only
way to stop it is by switching the inverter off using the key switch.
When the procedure is correctly completed, the main contactor opens
and display shows ACQUIRE END.
Re-cycle the key switch and verify that the motor can run according to
the accelerator input in both directions.
Check that PM motor pole pairs are set correctly.
Check that sensor pole pairs are set correctly.
In HARDWARE SETTING increase the ABS.SENS. ACQ.ID parameter
(the motor current used for the open-loop phase) so to have more torque
and perhaps solve some friction problems (ID RMS MAX must be set
congruently).
Page 67/169
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Troubleshooting
Need help?
Do you have a question about the DUALACE2 NEW GENERATION and is the answer not in the manual?
Questions and answers
Como comprobar el funcionamiento del controlador dualac2 sin display
You can check the operation of the Zapi DUALACE2 NEW GENERATION controller without a display using the following methods:
1. Zapi Smart Console – Connect the Zapi Smart Console to the CAN bus to access diagnostics and parameter settings.
2. PC CAN Console – Use the PC CAN Console software to monitor and adjust controller settings.
3. Self-Diagnosis Feature – The controller performs self-diagnosis, and faults can be displayed using Zapi tools.
4. Alarm History Log – Check the log of alarms to review past faults and system behavior.
5. TESTER Function – Use the TESTER function to monitor key operational readouts.
These methods allow you to diagnose and verify the controller’s operation without an external display.
This answer is automatically generated
A brumby electrical truck that has a zapi inv.dace2, records the failure 244 "Warning Slave It depends on the supervisor uc", and the alarm 248 "Mc is Opened, eb is applied". On the other hand, the LED does not turn on, but in the manual I did not find the LED code. I would like more certainty about whether the failure is from the controller and the LED code for this Zapi model.
Failure 244 "Warning Slave" depends on the supervisor microcontroller (µC). No specific effect or troubleshooting steps are provided in the available context.
Alarm 248 "MC is Opened, EB is Applied" indicates that the main contactor (MC) is open, and the electric brake (EB) is applied. This typically occurs during start-up, standby, or other system states.
The LED code for this model is not explicitly provided in the available context.
This answer is automatically generated