MECOS IMC15 - Page 51

6 Troubleshooting
47
Diagnosis: Faults during Operation of the IMC15
Nr. Error message Meaning Diagnosis Action
112 DrIoffset Drive current off-
set DC offset of drive power stage out of range
Hardware damage IMC15
Replace IMC15
117 SCfault Short circuit fault
Defective IGBT module
Hardware damage IMC15
Replace IMC15
118 ... 123
U15P_OV U15P_UN U15N_OV U15N_UN Uref_OV Uref_UN
Over/ undervolt- age MBE/processor power supplies
Hardware damage IMC15
Replace IMC15 Caution: The fault history is displayed on the dis- play pages number 121, 122 and 123. Please do not confound page numbers and fault numbers!
124 125
UZ_OV UZ_UN
Over/ undervolt- age DC-Bus AMB
Hardware damage IMC15
Replace IMC15
301 AmpFlt Amplifier fault
Defective AMB power stage or short of bearing magnet / cable
Hardware damage bearing system
Check bearings and cable for shorts and ground connections Ok: Replace IMC15
not Ok: Replace bearing cable Fault persists: Replace blower