6
Operation
Faults at the power supply module
Operating Instructions – MOVIDRIVE
®
modular
166
Subfault: 49.26
Description: Module bus station error
Response: Remote – warning
Cause Measure
More than 15 module bus stations (axes) connected to module
bus master.
Connect a maximum of 15 stations.
Subfault: 49.27
Description: Fan function fault
Response: Remote – warning
Cause Measure
One of the fans is not connected, or is blocked mechanically. – Check the fan plug connector.
– Check the fan for mechanical blockage.
– Replace the fan.
Subfault: 49.28
Description: Temperature prewarning
Response: Remote – warning
Cause Measure
The temperature of the heat sink has reached the 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 sys-
tem.
Subfault: 49.29
Description: Utilization prewarning
Response: Remote – warning
Cause Measure
An electromechanical utilization greater than the electromech-
anical utilization of the prewarning threshold was detected by
the I2xT model.
Check the project planning and installation of the axis system.
Subfault: 49.30
Description: Internal braking resistor utilization prewarning
Response: Remote – warning
Cause Measure
Utilization of internal braking resistor reached prewarning
threshold
Check the connection and project planning of the braking res-
istor.
Subfault: 49.31
Description: Braking resistor connection monitoring
Response: Remote – warning
Cause Measure
Connection monitoring has not detected a connected braking
resistor.
Check the connection of the braking resistor.
Connected braking resistor not within projected range Check the connection and project planning of the braking res-
istor.
Short circuit in the braking resistor. Check the connection of the braking resistor.
Subfault: 49.32
Description: Thermal overload of additional capacity
Response: Remote – warning
Cause Measure
Additional capacity at full thermal capacity. Braking resistor
converters regenerative energy into heat.
Check device utilization and project planning.
24748536/EN – 11/2017
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