Lenze SCF Series Drives Modbus Communications - Manual (Page 27)

23 RG-SFMOD
Drive Control & Communication
NOTE 5 - AC Tech Register #100, Parameter 50 - Fault History
When parameter #100 is read, the number of registers read must be 4. The drive will
send 8 bytes of data back to the MASTER. It does not mean read function reads parameter
#100, #101, #102, and #103. This is a special case to handle the data string. Number in
every byte represents fault in fault history. Latest fault is in the first data byte, oldest fault
is in the last data byte. Refer to table 17 for clarification.
Table 17: Fault Codes - Register 100
Code Fault Description Display
0 NO FAULT
1 OUTPUT (TRANSISTOR) FAULT “OF”
2 HIGH DRIVE TEMPERATURE “AF”
3 HIGH DC BUS VOLTAGE “HF”
4 LOW DC BUS VOLTAGE “LF”
5 THERMAL OVERLOAD “PF”
6 CONTROL FAULT “CF”
7 EXTERNAL “EF”
8 OEM FAULT “GF”
9 START ERROR “UF”
10 INTERNAL1 (EPM) “F1”
11 INTERNAL2 “F2”
12 INTERNAL3 “F3”
13 INTERNAL4 “F4”
14 INTERNAL5 “F5”
15 INTERNAL6 “F6”
16 INTERNAL7 “F7”
17 INTERNAL8 “F8”
18 INTERNAL9 “F9”
19 INTERNALo “Fo”
20 SINGLE PHASE FAULT “SF”
21 INCOMPATIBILITY FAULT “cF”
22 DYNAMIC BRAKE OVERHEATED “dF”
23 SERIAL LINK FAULT “JF”