5 Error Messages
5.6 Fault diagnostics
DC1…20… and DC1…OE1 Variable Frequency Drives
02/20 MN040059EN
www.eaton.com
143
5.6 Fault diagnostics
The number of critical faults and specific malfunctions will be logged for
diagnostic purposes. The corresponding values can be read by accessing the
display parameters (
Section “4.5.2 Parameter structure”, page 130).
Please note that these values cannot be edited or deleted.
Table 33: Critical faults and specific malfunctions
Mode
parameter
Designation
Description
P00-33
O-I
Number of overcurrent signals at the variable frequency drive’s output
Critical fault!
P00-34
O Volts
Number of overvoltage signals in the internal DC link
Critical fault!
P00-35
V-volts
Number of undervoltage signals in the internal DC link
Critical fault!
P00-36
O-temp
Hours with overtemperature at heat sink
Critical fault!
P00-37
b O-I
Number of overcurrent signals from braking chopper
Critical fault!
P00-38
O-hE
A
t
Number of overtemperature signals from control section
Critical fault!
P00-39
–
Modbus – Number of communication errors
P00-40
–
CANopen – Number of communication errors
P00-41
–
I/O processor – Number of communication errors
P00-42
–
Microprocessor in power section – number of communication errors
