IBC control MicroMax180, Manual, Page: 155 / 192

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Probable fault cause
Probable fault cause
Phase-to-earth short circuit
MicroMax750 trips immediately.
- Earth fault in motor or cable
In the event of an earth fault, the control unit must be reset with
power off.
Overcurrent
MicroMax750 limits current to 7 A, above which it will trip after
4-5 seconds.
- The motor is too small in relation to wheel diameter
- Wheel rotation sluggish
- Damaged motor, e.g. bearing fault
Measure amperage.
NOTE! Precise voltages and amperages can only be obtained with a
moving-iron ammeter.
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SETTINGS VIA POTENTIOMETER
Max speed Potentiometer for adjusting max. speed.
Adjust between 40-100 Hz.
Factory setting, 50 Hz.
PUSH BUTTON
Reset
Reset button for resetting the control unit.
The control unit also resets in the event of voltage drop-out.
In both cases, all alarms reset.
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