# Error list ec02

Value | Message | Cause | Remedy
--- | --- | --- | ---
0 | no warning |  |
1 | fast communication | Fast, internal communication for encoder evaluation. ONLY H6 | EMC problems or device defective.
2 | slow communication | Slow, internal communication for encoder evaluation. | EMC problems or device defective.
3 | EEPROM access not possible | EEPROM reading and writing not possible | EMC problems or device defective.
4 | EEPROM write access not possible | EEPROM writing not possible, reading ok | EMC problems or device defective.
5 | EEPROM read: error corrected | EEPROM reading error found and corrected. | EMC problems or device defective.
6 | Encoder supply outside the specification | The voltage supply of the encoder is outside the permissible tolerance. | Check voltage source. Check encoder cable.
10 | EnDat: communication | EnDat: communication | Hardware defect, check shield on motor, encoder cable or EMC interferences.
11 | EnDat: comm add. info | Endat communication (embedded additional communication). | Hardware defect, check shield on motor, encoder cable or EMC interferences.
12 | pos diff occurred | Position difference between incremental and absolute position (digital position or reference signal) occurred. | Wrong number of increments per revolution in Ec29. One or more signal pairs are connected twisted or reversed, e.g. SSI data, incremental signals or analog absolute signals. The hardware is defective.Check shielding on motor, encoder cable or EMC interferences.
13 | pos diff corrected | Position difference between incremental and absolute position (digital position or reference signal) occurred and corrected. | Wrong number of increments per revolution in Ec29. One or more signal pairs are connected twisted or reversed, e.g. SSI data, incremental signals or analog absolute signals. The hardware is defective.Check shielding on motor, encoder cable or EMC interferences.
14 | 1Vpp-inc.: amplitude or form | 1Vpp incremental signals incorrect | One or both signals are too small, deformed or missing. Which of the signals is faulty. Check shielding at motor, encoder cable or EMC interferences.
15 | 1Vpp-abs.: amplitude or form | 1Vpp incremental signals incorrect | One or both signals are too small, deformed or missing. Which of the signals is faulty. Check shielding on motor, encoder cable or EMC interferences.
16 | TTL track A / Sin. amplitude | TTL - track A / amplitude sine faulty. | Hardware defect, check shield on motor, encoder cable or EMC interferences.
16 | TTL track A / Cos. amplitude | TTL - track A / amplitude cosine faulty. | Hardware defect, check shield on motor, encoder cable or EMC interferences.
16 | TTL trace A / Cos. amplitude | TTL trace A defective or missing. | Hardware defect, check shield on motor, encoder cable or EMC interferences.
17 | TTL track B / Cos. amplitude | TTL - track B / amplitude cosine faulty. | Hardware defect, check shield on motor, encoder cable or EMC interferences.
17 | TTL trace B / Sin. error | TTL - track B / amplitude sine faulty. | Hardware defect, check shield on motor, encoder cable or EMC interferences.
17 | TTL trace B / Sin. amplitude | TTL trace B defective or missing | Hardware defect, check shield on motor, encoder cable or EMC interferences.
18 | pos diff to 1Vpp-abs. occurreed | Position deviation to 1Vpp absolute track occurred. | The number of increments per revolution in ec29 is wrong. One or more signal pairs are connected twisted or reversed. The course of the 1Vpp absolute signals does not match the position of the zero signal. Hardware defect, check shield on motor, encoder cable or EMC interferences.
19 | pos diff to 1Vpp-abs. corrected | Position deviation to 1Vpp absolute track occurred and corrected. | The number of increments per revolution in ec29 is wrong. One or more signal pairs are connected twisted or reversed. The course of the 1Vpp absolute signals does not match the position of the zero signal. Hardware defect, check shield on motor, encoder cable or EMC interferences.
20 | BiSS: encoder communication | BiSS communication disturbed. | Hardware defect, check shield on motor, encoder cable or EMC interferences.
21 | encoder error |  |
22 | SSI communication error | SSI communication faulty. |
23 | BiSS Mode C: enc mem access | BiSS Mode C - encoder memory access. | Hardware defect, check shield on motor, encoder cable or EMC interferences.
24 | encoder data reading error | Error when reading encoder data. | Memory in encoder defective. Encoder rejects memory access.
25 | encoder data writing error | Error when writing encoder data. | Memory in encoder defective. Encoder rejects memory access.
26 | internal encoder EEPROM error | Encoder has detected internal EEPROM error. | The encoder must be replaced.
27 | no reference detected by encoder | Reference signal not detected by the encoder | The hardware is defective. The increments per revolution in ec29 was entered incorrectly.
28 | Hiperface: communication | Hiperface communication disturbed. | Hardware defect, check shield on motor, encoder cable or EMC interferences.
29 | Invalid data in encoder memory | Memory in encoder does not contain usable data. | Save data in the encoder
30 | TTL output: sync warning | Encoder emulation: Not all signals could be output during the last cycle and will be output during the next cycle. | Only internal warning, no remedy possible.
31 | BiSS Mode C: EDS data invalid |  |
32 | EnDat: incremental track has reached the functional limit |  |
33 | EnDat: absolute track has reached the functional limit |  |
34 | EnDat: pos. calculation has reached the functional limit |  |
35 | enc. sync. comm. is longer than sync cycle |  |