7
60(86) | Control keypad |
7.3.4.2Fault codes
The fault codes, their causes and corrective actions are presented in the table below. The shadowed faults are A faults only. The faults written in white on black background may appear as both A and F fault.
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| Fault | Fault |
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| 1 | Overcurrent | Frequency converter has detected too | Check loading. |
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| high a current (>4*In) in the motor cable: | Check motor. |
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| − sudden heavy load increase | Check cables. |
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| − short circuit in motor cables |
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| − | unsuitable motor |
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| 2 | Overvoltage | The | Make the deceleration time longer. Use |
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| limits defined in Table | brake chopper or brake resistor |
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| − too short a deceleration time | (available as options) |
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| − high overvoltage spikes in supply |
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| 3 | Earth fault | Current measurement has detected that | Check motor cables and motor. |
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| the sum of motor phase current is not |
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| zero. |
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| − insulation failure in cables or motor |
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| 5 | Charging switch | The | charging switch is open, when the | Reset the fault | and restart. |
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| START command has been given. |
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| Should the fault |
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| − | faulty operation |
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| nearest distributor.. |
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| − | component failure |
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| 6 | Emergency stop | Stop signal has been given from the |
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| option board. |
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| 7 | Saturation trip | Very high overload | Cannot be reset from the keypad. |
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| Defective component | Switch off power. If this does not help |
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| contact your nearest distributor. |
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| 8 | System fault | The | frequency converter troubleshooting | Reset the fault | and restart. |
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| system is unable to locate the fault. |
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| Should the fault |
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| nearest distributor. |
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| 9 | Undervoltage | In case of temporary supply voltage |
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| defined in. | break reset the fault |
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| and restart |
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| − most probable cause: too low a |
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| the frequency converter. Check the |
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| supply voltage |
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| − | supply voltage. If it is adequate, an |
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| frequency converter internal fault |
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| internal failure has occurred. |
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| Contact your nearest distributor. |
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| 10 | Input line | Input line phase is missing. | Check supply voltage and cable. |
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| supervision |
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| 11 | Output phase | Current measurement has detected that | Check motor cable and motor. |
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| supervision | there is no current in one motor phase. |
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| 12 | Brake chopper | − no brake resistor installed | Check brake resistor. |
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| supervision | − brake resistor is broken | If the resistor is ok, the chopper is faulty. |
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| − | brake chopper failure | Contact your nearest distributor.. |
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| 13 | Frequency | Heatsink temperature is under |
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| converter under- |
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| temperature |
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| 14 | Frequency | Heatsink temperature is over 90° C. | Check the correct amount and flow of |
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| converter over |
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| cooling air. |
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| temperature | Over temperature warning is issued when | Check the heatsink for dust. |
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| ° | Check the ambient temperature. |
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| the heatsink temperature exceeds 85 C. | Make sure that the switching frequency |
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| is not too high in relation to ambient |
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| temperature and motor load. |
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| 15 | Motor stalled | Motor stall protection has tripped. | Check motor. |
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