IBC control MiniMax, Manual, Page: 10 / 20

OPERATIONAL INDICATIONS
On "Power on" is lit continuously.
It flashes when the control unit has tripped.
Run Comes on when the motor is to rotate, i.e. when the input signal exceeds
the threshold value.
Rotation Flashes when the magnet passes the magnetic sensor, regardless of the
rotation monitor DIP switch setting.
Flashes even if the input signal is lower than the threshold value.
Rotation monitor
Probable fault cause
during installation
Probable fault cause
during operation
Alarms and trips unless a pulse is received every 5 minutes.
- Magnet facing the wrong way
- Magnetic sensor incorrectly connected; see “Connections” on
pages 11 -12.
- Too wide a gap between the magnetic sensor and magnet; max 15 mm
- Broken belt
- Belt slipping
- Stuck wheel
- Magnetic sensor or magnet not intact
Overtemp. motor
Probable fault cause
Alarms and trips if motor winding temperature is too high.
The thermal contact in the motor reverts to normal mode when the
temperature drops.
See "Overcurrent" on page 9.
Overvoltage Alarms and trips if the input voltage exceeds 276 V for more than
4-5 seconds
.
Undervoltage Alarms and trips if the input voltage falls below 195 V for more than
4-5 seconds.
ALARMS
All alarms remain in state.
Continued on next page
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