9 | Diagnosis and |
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9.3Trouble shooting
The following list refers to faults which can occur during operation.
Display:
Error |
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| Explanation and remedy |
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no motor run despite current flow |
| motor mechanically blocked? | 1) | |
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| motor brake released? |
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motor runs unevently |
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| check setpoint wiring |
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| check grounding and shielding |
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| too high |
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| reduce value |
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| (with EASYRIDER→ setting/speed control) |
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| too small |
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| reduce value |
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| (with EASYRIDER→ setting/speed control) |
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no reaction of setpoint progression, despite | Limit switch functions |
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torque in standstill |
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| effective (BIAS) |
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no current flow; |
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| motor cables interrupted? |
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no torque despite activating the regulator | Is input "I extern" (X10.19) activated |
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correctly |
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| (config. menu) and not notched up? |
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| limit switch - input |
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| activated and not notched up? |
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Interference symptoms with power |
| Ground loops in setpoint or actual value wiring? |
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frequency |
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| Shieldings laid on both sides? |
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| Signal cables near high voltage cables? |
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Motor takes up preferred positions after | Position encoder or motor cables with reversed | 1) | ||
activation |
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| poles? |
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| Resolver or Feedback- encoder incorrectly |
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| adjusted? |
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| Number of motor poles wrong matching? (config. |
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| menu) |
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Motor runs up immediately after activation | Motor cables or feedback- cables reversed? | 1) | ||
although there is no setpoint |
| Encoder incorrectly adjusted? |
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| (e.g. Resolver) |
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Motor reaches in idling cycle very different |
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speed when running to the right or to the left | (e.g. Resolver) |
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1) Display | or | mostly short after activating; before warning |
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70 | Product Manual Type: 637f |