EElleeccttrriiccaal l ssyysstteemm 1100..9955
Note!Note!
When measuring the voltage at the regulator B+ or K11.4-, there is a majorWhen measuring the voltage at the regulator B+ or K11.4-, there is a major
risk that you measure a voltage from logic+ at the regulator.risk that you measure a voltage from logic+ at the regulator.
E105 Sub info: Overcurrent to motorE105 Sub info: Overcurrent to motor
E105 Sub info: Input voltage too high E105 Sub info: Input voltage too high in the main circuitin the main circuit
YYeses
Is there voltage at K10.3+Is there voltage at K10.3+
šš
NoNo
Check that K11 is closedCheck that K11 is closed
YYeses
Check the cabling between KCheck the cabling between K11.4-11.4-
and the regulator. Fault found?and the regulator. Fault found?
šš
NoNo
Replace the regulatorReplace the regulator
YYeses
Repair the cablingRepair the cabling
Is the control cable between theIs the control cable between the
regulator and motor OK?regulator and motor OK?
šš
NoNo
Repair the cabling The fault mayRepair the cabling The fault may
also be due to a gap in the contactalso be due to a gap in the contact
in the case of intermittent faults.in the case of intermittent faults.
YYeses
Replace motorReplace motor
Measure the voltage between B-Measure the voltage between B-
and B+ on the and B+ on the regulator.regulator.
šš
Voltage > 60 VVoltage > 60 V
Check why the voltage is high.Check why the voltage is high.
Voltage < 60 V.Voltage < 60 V.
Is the fault condition permanent?Is the fault condition permanent?
šš
YYeses
Replace the regulatorReplace the regulator
NoNo
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