MECOS IMC15 - Page 52

IMC15
48
405 MotTmp Motor temperature
Overtemperature motor (stator win- ding), PTC cable damage
Insufficient coo- ling of motor, defective PTC cable
Check temperature and circulation of coolant Ok: Continuity test of PTC cable Fault persists Replace IMC15
not Ok: Set plant temperature correctly Fault persists: Proceed as in left col- umn
406 RotDir Rotation direction
Wrong sense of rotation
Wrong sequence of motor phases, fault of sensor cable (Pin 7 and 15 interchanged)
Check motor and sensor cable Ok: Replace IMC15 Fault persists: Replace blower
not Ok: Connect motor cable correctly / replace sen- sor cable Fault persists: Replace IMC15
501 AMBTmp AMB temperature
Overtemperature AMB power stage
Hardware damage IMC15 or environ- mental conditions out of range
Let IMC15 cool down, reset fault and restart
Fault persists: replace IMC15
502 DriveTmp Drive temperature
Overtemperature power stage FC
Hardware damage IMC15 or environ- mental conditions out of range
Let IMC15 cool down, reset fault and restart
Fault persists: replace IMC15
Diagnosis: Faults during Operation of the IMC15
Nr. Error message Meaning Diagnosis Action