Fault 15 Encoder 3
Fault: 15.1 (0F01hex | 3841dec) Description: Position comparison check | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Fault detected when comparing raw position and track counter of absolute encoder. | – Check the wiring of track signals. – Check interference sources (e.g. from EMC). – Replace the encoder. – Replace the card.
NOTE In "emergency mode" operating mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.10 (0F0Ahex | 3850dec) Description: Position tolerance range exceeded | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Position outside tolerance range. | – Check the startup parameters. – Check the wiring. – Check interference sources (light beam interrupted, reflector, data cables, etc.). – Replace the encoder.
NOTE In "emergency mode" manual mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.11 (0F0Bhex | 3851dec) Description: Encoder data timeout | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Encoder process data triggered timeout state. | – Check interference sources (e.g. from EMC). – Check the startup parameters.
NOTE In "emergency mode" manual mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.14 (0F0Ehex | 3854dec) Description: Communication error | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Faulty encoder communication. | – Check the voltage supply. – Check interference sources (e.g. from EMC). – Check the wiring.
NOTE In "emergency mode" manual mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.17 (0F11hex | 3857dec) Description: Permanent high level in data line | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Permanent high level of data signal. | – Check the wiring. – Check the encoder.
NOTE In "emergency mode" manual mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.19 (0F13hex | 3859dec) Description: Permanent low level in data line | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Permanent low level of data signal. | – Check the wiring. – Check the encoder.
NOTE In "emergency mode" manual mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.21 (0F15hex | 3861dec) Description: SSI error bit | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
SSI encoder detected a fault. | – Check the startup parameters. – Check the SSI encoder settings (fault bit). – Check the wiring. – Check interference sources (light beam interrupted, reflector, data cables, etc.). – Replace the encoder.
NOTE In "Emergency mode" manual mode, you can move the drive even in the event of a faulty external position encoder. | |
Fault: 15.23 (0F17hex | 3863dec) Description: Internal fault | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Encoder detected internal fault. | – Check the wiring. – Check interference sources (light beam interrupted, reflector, data cables, etc.). – Replace the encoder.
NOTE In "emergency mode" manual mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.52 (0F34hex | 3892dec) Description: Encoder signal error | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Unexpected encoder signals detected. | – Check the wiring. – Check interference sources. – Apply the shield of the encoder cable over a large area. – Check the encoder. | |
Fault: 15.53 (0F35hex | 3893dec) Description: Maximum frequency exceeded | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Maximum permitted signal frequency exceeded. | – Check the maximum input frequency. – Check the wiring. – Check interference sources. – Apply the shield of the encoder cable over a large area. – Check the encoder. | |
Fault: 15.54 (0F36hex | 3894dec) Description: Cross comparison error | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Cross comparison error in encoder evaluation. | – Check the wiring. – Check interference sources. – Apply the shield of the encoder cable over a large area. – Check the encoder. | |
Fault: 15.55 (0F37hex | 3895dec) Description: Level monitoring | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Track signal level outside tolerance band. | – Check the wiring. – Check interference sources. – Apply the shield of the encoder cable over a large area. – Check the encoder. | |
Fault: 15.56 (0F38hex | 3896dec) Description: Maximum speed exceeded while encoder fault muting is active. | ||
|---|---|---|
| Response: FS – system error | |
Cause | Measure | |
Permitted maximum speed exceeded while encoder fault muting is active. | – Check the maximum speed of the application while encoder fault muting is active and adjust, if necessary. – Check the parameter setting of the safety card and adjust it, if necessary. | |
Fault: 15.57 (0F39hex | 3897dec) Description: Maximum speed exceeded | ||
|---|---|---|
| Response: FS – encoder fault | |
Cause | Measure | |
Permitted maximum speed exceeded. | – Check the maximum speed of the application and adjust it, if necessary. – Check the parameter setting of the safety card and adjust it, if necessary. | |
Fault: 15.58 (0F3Ahex | 3898dec) Description: Detection limit exceeded | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Speed exceeded sensing limit. | – Check the maximum speed of the application and adjust it, if necessary. – Check the parameter setting of the safety card and adjust it, if necessary. | |
Fault: 15.59 (0F3Bhex | 3899dec) Description: Encoder no longer referenced | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Encoder evaluation signaled diagnostics error. Referencing is revoked. | – Eliminate the cause of the fault. – Reference the encoder again. | |
Fault: 15.60 (0F3Chex | 3900dec) Description: Travel limit exceeded | ||
|---|---|---|
| Response: FS – encoder fault | |
Cause | Measure | |
Travel limit violated for an application with limited travel distance. | – Check the startup parameters. – Check the application. – Perform referencing again. | |
Fault: 15.61 (0F3Dhex | 3901dec) Description: Wrong number of bits per telegram | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
The number of bits received per telegram does not match the number of parameterized bits. | – Check the startup parameters. – Check the wiring. – Check interference sources. | |
Fault: 15.62 (0F3Ehex | 3902dec) Description: Wrong cycle frequency | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Measured clock does not correspond with parameterized clock. | – Check the startup parameters. – Check the wiring. – Check interference sources. | |
Fault: 15.64 (0F40hex | 3904dec) Description: Inconsistent or corrupt data | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Inconsistent or corrupt data detected during encoder evaluation. | – Check interference sources (e.g. from EMC area). – Check the encoder cable or the shield. – Check the startup parameters. | |
Fault: 15.65 (0F41hex | 3905dec) Description: Illumination color error | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
The lighting color in the encoder data does not match the lighting color in use. | – Switch the device off and on again. – If the fault occurs repeatedly, replace the encoder and send it together with the fault number to SEW-EURODRIVE. For further support, contact SEW-EURODRIVE Service. | |
Fault: 15.66 (0F42hex | 3906dec) Description: No position code visible | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Optical encoder cannot decode valid barcode/matrix code in field of view. | – Check the code tape for damage (e.g. gaps, covering, soiling, reflecting materials, or ambient light sources). – Check the optical system of the encoder for damage or dirt. – Check diagnostic data indicating faulty assembly. – Check the encoder for proper mounting, such as distance to the code tape, lateral offset or twisting. – To make the system more robust, increase the value of the "Threshold for tolerated faults – PXV encoder". – If the fault occurs repeatedly, replace the encoder and send it together with the fault number to SEW-EURODRIVE. For further support, contact SEW-EURODRIVE Service. | |
Fault: 15.67 (0F43hex | 3907dec) Description: SSI encoder – warning | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
The SSI encoder signaled a warning. | – Check the startup parameters. – Check the settings of the SSI encoder. – Check the wiring. – Check interference sources (light beam interrupted, reflector, data cables, etc.). – Replace the encoder.
NOTE In "emergency mode" manual mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.68 (0F44hex | 3908dec) Description: Internal fault – overflow | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Overflow detected during internal calculation. | Adjust the startup parameters, such as numerator scaling/denominator scaling. | |
Fault: 15.69 (0F45hex | 3909dec) Description: Invalid HIPERFACE® communication | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Failure to establish connection with encoder. | – Acknowledge the encoder fault in the basic unit. – Check the voltage supply. – Check interference sources (e.g. from EMC). – Check the wiring.
NOTE In "emergency mode" manual mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.70 (0F46hex | 3910dec) Description: Error detecting low level | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Fault detected while sensing low level. | – Check the wiring. – Check the encoder. – If the fault occurs repeatedly, replace the safety card and send it together with the fault number to SEW-EURODRIVE. For further support, contact SEW-EURODRIVE Service.
NOTE In "emergency mode" manual mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.71 (0F47hex | 3911dec) Description: Response time of safety card exceeded | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
The response time for calculating the speed or acceleration cannot be adhered to. This can have the following reasons: – The safety card has received more corrupt telegrams from the encoder than the error tolerance allows. – The actual refresh time of the encoder is greater than parameterized. | – Check the wiring. – Check the encoder. – Adjust the refresh time to the values in the encoder documentation. – If the fault occurs repeatedly, replace the safety card and send it together with the fault number to SEW-EURODRIVE. For further support, contact SEW-EURODRIVE Service.
NOTE In "emergency mode" manual mode, you can move the drive using the motor encoder if the external position encoder is faulty. | |
Fault: 15.72 (0F48hex | 3912dec) Description: Internal fault – overflow during position calculation | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
Overflow detected during internal calculation of the position. | Adjust the startup parameters, for example: – Numerator scaling/denominator scaling of the encoder. – User units of the position. | |
Fault: 15.73 (0F49hex | 3913dec) Description: Encoder range overflow pending | ||
|---|---|---|
| Response: FS – warning | |
Cause | Measure | |
The encoder is just before overflow. The system is too fast. The position difference is above the 1/4 encoder range. With 1/2 encoder range, an undetected reversal of the direction of rotation occurs and consequently a permanent error in position. | – Reduce the system speed. – Use an encoder with a larger encoder measuring range (resolution/multi-turn range). | |
