Troubleshooting
Compact manual b maXX
®
BM4400, BM4600, BM4700
Document no.: 5.06014.02 Baumüller Nürnberg GmbH
68
of 94
8.2
84 Ground current IS Check the installation of the device (from
b
maXX 443x) and check the motor for ground
fault
85 Device internal overtemperature IS Make sure of a sufficient ventilation in the
device
86 Cable break temperature sensor IS Pass on the device for repair
87 Safety relay off (or defect) IS Check the safety relay, exchange it for a new
88 Bridge short-circuit IS Carry out a restart. At recurring error messages
renew the controller cartridge
89 Power unit not ready-to-operate IS Complete the operational readiness to the
power unit
90 Phase failure IS Check if all phases are correctly connected and
voltage-carrying
91 Mains failure IS Restore the mains supply
92 Mains undervoltage IS Assure the compliance with the mains specifi-
cation (see technical data)
93 Mains overvoltage IS Assure the compliance with the mains specifi-
cation (see technical data)
94 Undervoltage U DC link IS Check the power connections
95 reserved
not assigned = 0
Error no. Meaning Reaction Troubleshooting
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