Error 49 Power supply module
Error: 49.1 (3101hex | 12545dec) Description: Unknown supply unit | ||
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Cause | Measure | |
The supply unit cannot be identified from the hardware detection. | Contact SEW-EURODRIVE Service. | |
Error: 49.2 (3102hex | 12546dec) Description: EEPROM memory – hardware faulty | ||
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Cause | Measure | |
EEPROM cannot be read; initialization error. | Contact SEW-EURODRIVE Service. | |
Error: 49.3 (3103hex | 12547dec) Description: Internal voltage supply | ||
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Cause | Measure | |
At least one internal supply voltage is faulty. | Switch the power off and on again. Contact SEW‑EURODRIVE Service if the fault persists. | |
Error: 49.4 (3104hex | 12548dec) Description: DC 24 V supply voltage | ||
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Cause | Measure | |
24 V supply below min. specified 24 V input voltage. | Check the 24 V supply, switch power supply off and on again. Contact SEW‑EURODRIVE Service if the fault persists. | |
Error: 49.5 (3105hex | 12549dec) Description: Fault in hardware component of analog to digital conversion | ||
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Cause | Measure | |
Measured DC link values outside valid range, or voltage supply of transducers defective. | Contact SEW-EURODRIVE Service. | |
Error: 49.6 (3106hex | 12550dec) Description: CRC error – power section data | ||
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Cause | Measure | |
Device not calibrated yet. | Contact SEW-EURODRIVE Service. | |
Initialization error. | Contact SEW-EURODRIVE Service. | |
Error: 49.7 (3107hex | 12551dec) Description: EEPROM data error | ||
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Cause | Measure | |
Calibration data not plausible. | Contact SEW-EURODRIVE Service. | |
Error: 49.8 (3108hex | 12552dec) Description: DC link overvoltage | ||
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Cause | Measure | |
Maximum permitted DC link voltage exceeded. | – Check brake chopper function, braking resistor, and regenerative energy. – Check project planning of the axis system. | |
Error: 49.9 (3109hex | 12553dec) Description: DC link overcurrent | ||
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Cause | Measure | |
DC link current too high in motor mode or generator mode. | – Motoring operation: load too high/check project planning. – Regenerative operation: Braking resistance too low-impedance or short circuit in braking resistor. | |
Error: 49.10 (310Ahex | 12554dec) Description: Brake chopper short circuit | ||
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Cause | Measure | |
A failed brake chopper was detected in the device. For devices with half-controlled bridge, the thyristors are inhibited. | – Check brake chopper circuit connections, then switch the power off and on again. – If the fault is still present, replace the device. Contact SEW-EURODRIVE Service. | |
Error: 49.11 (310Bhex | 12555dec) Description: Collector emitter voltage monitoring | ||
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Cause | Measure | |
Voltage supply for brake chopper defective. | Check the connection of the braking resistor. | |
UCE monitoring of brake chopper trips. | Switch the power off and on again. Contact SEW‑EURODRIVE Service if the fault persists. | |
Short circuit in the braking resistor. | Check braking resistor and supply cable. | |
Excessive regenerative power. | Check the project planning for the axis system. | |
Error: 49.12 (310Chex | 12556dec) Description: Temperature sensor (internal) defective | ||
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Cause | Measure | |
Temperature sensor does not respond (e.g. wire break). | Contact SEW-EURODRIVE Service. | |
Error: 49.13 (310Dhex | 12557dec) Description: Overtemperature 105% | ||
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Cause | Measure | |
The maximum permitted heat sink temperature has been exceeded. | Check the project planning and installation of the axis system. Contact SEW-EURODRIVE Service. | |
Error: 49.14 (310Ehex | 12558dec) Description: Temperature evaluation defective | ||
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Cause | Measure | |
Internal transmission module defective. | Contact SEW-EURODRIVE Service. | |
Error: 49.15 (310Fhex | 12559dec) Description: Capacity utilization 105% | ||
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Cause | Measure | |
Electromechanical utilization of > 105% detected by I2xT model. | – Check the project planning and installation of the axis system. – Contact SEW‑EURODRIVE Service. | |
Error: 49.16 (3110hex | 12560dec) Description: Braking resistor temperature monitoring | ||
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Cause | Measure | |
– Monitoring of the external braking resistor has tripped. – The temperature of the externally connected braking resistor is too high. | Check the project planning for the axis system. | |
Incorrect wiring. | Check the installation of the braking resistor. | |
Error: 49.17 (3111hex | 12561dec) Description: Internal braking resistor utilization 105% | ||
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Cause | Measure | |
Utilization of internal braking resistor reached switch-off threshold of > 105%. | Check the project planning and installation of the axis system. | |
Error: 49.18 (3112hex | 12562dec) Description: Internal device temperature | ||
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Cause | Measure | |
Impermissible high device temperature. | – Clarify the temperature conditions on the axis system. – Check ventilation of the control cabinet. – Check mounting position and fan function. – Check heat sink and fan for dirt and clean them. | |
Error: 49.19 (3113hex | 12563dec) Description: External fault | ||
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Cause | Measure | |
Another module bus station requested external emergency shutdown. | Eliminate emergency shutdown condition at the module bus station. | |
Error: 49.20 (3114hex | 12564dec) Description: Capacity utilization 100% | ||
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Cause | Measure | |
Electromechanical utilization of > 100% detected by I2xT model. | – Check the project planning and installation of the axis system. – Contact SEW‑EURODRIVE Service. | |
Error: 49.21 (3115hex | 12565dec) Description: Internal braking resistor utilization 100% | ||
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Cause | Measure | |
Utilization of internal braking resistor reached switch-off threshold of > 100%. | – Check the installation of the braking resistor and the project planning of the axis system. – Contact SEW‑EURODRIVE Service. | |
Error: 49.22 (3116hex | 12566dec) Description: Overtemperature 100% | ||
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Cause | Measure | |
Permitted heat sink temperature exceeded. | – Check mounting position and fan function. – Check heat sink and fan for dirt and clean them. – Check the project planning and installation of the axis system. | |
Error: 49.23 (3117hex | 12567dec) Description: Module bus timeout | ||
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Cause | Measure | |
Slave does not receive telegrams. | Check the module bus cable. | |
Error: 49.24 (3118hex | 12568dec) Description: Module bus initialization | ||
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Cause | Measure | |
Module bus system not yet initialized. | Check the module bus cable. | |
Error: 49.25 (3119hex | 12569dec) Description: Module bus CRC error | ||
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Cause | Measure | |
CRC error | Check the module bus cable. | |
Error: 49.26 (311Ahex | 12570dec) Description: Module bus station error | ||
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Cause | Measure | |
More than 15 module bus stations (axes) connected to module bus master. | Connect a maximum of 15 module bus stations. | |
Error: 49.27 (311Bhex | 12571dec) Description: Fan function fault | ||
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Cause | Measure | |
One of the fans not connected or blocked mechanically. | – Check the fan plug connector. – Check the fan for mechanical blockage. – Replace the fan. | |
Error: 49.28 (311Chex | 12572dec) Description: Temperature prewarning | ||
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Cause | Measure | |
Temperature of heat sink reached prewarning threshold. | – Check mounting position and fan function. – Check heat sink and fan for dirt and clean them. – Check the project planning and installation of the axis system. | |
Error: 49.29 (311Dhex | 12573dec) Description: Utilization prewarning | ||
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Cause | Measure | |
Electromechanical utilization greater than electromechanical utilization of prewarning threshold detected by I2xT model. | Check the project planning and installation of the axis system. | |
Error: 49.30 (311Ehex | 12574dec) Description: Internal braking resistor utilization prewarning | ||
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Cause | Measure | |
Utilization of internal braking resistor has reached the prewarning threshold. | Check the connection and project planning of the braking resistor. | |
Error: 49.31 (311Fhex | 12575dec) Description: Braking resistor connection monitoring | ||
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Cause | Measure | |
Connection monitoring has not detected a connected braking resistor. | Check the connection of the braking resistor. | |
Connected braking resistor not within configured range. | Check the connection and project planning of the braking resistor. | |
Short circuit in the braking resistor. | Check the connection of the braking resistor. | |
Error: 49.32 (3120hex | 12576dec) Description: Thermal overload of additional capacity | ||
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Cause | Measure | |
Additional capacitance at full thermal capacity. Braking resistor converts regenerative energy into heat. | Check device utilization and project planning. | |
