Chapter 4 - Signals and Troubleshooting
IV F
4 - 8
DCS 600
Operating Instructions
Code
seven
segm.
display
Text on
LCD of control panel
CDP 312
(or DRIVES WINDOW)
Definition /
Action
Status
signal
(FAULT_WORD_
1/2/3)
Remark
F 37
37 OVERSPEED
Motor overspeed
Speed feedback higher than parameter
[P 20.11]
.
Check: - Scaling of speed controller loop;
- Drive speed;
- Field refererence values;
- Speed feedback and connection
of speed feedback;
- Was the motor accelerated by
the load?
9.02 bit 15
(3)
F 38
38 PHAS SEQU
Phase sequence fault
of power section
Change supply phase sequency or make
correction with parameter
[P 42.01]
.
Attention
: Direction of rotation of 3-phase
fan correct?
9.02
bit 3
(3)
F 39
39 NO FIELD
No field acknowledge from FIELD EXCITER
Check: - Do selection parameters match
the field exciter (field supply)?
- Field exciter supply, cable and
field winding;
- Status/level of acknowledge signal.
9.02
bit 4
(1)
F
40
40 NO E FAN
No acknowledge from FAN of motor
Check: - Contactor circuit/supply for fan of
motor;
- Status of binary inputs/outputs
(DI2/DO1) on SDCS-IOB-2/
SDCS-CON-2
boards;
- Parameter setting
[P 15.07]
.
9.02
bit 6
(1)
F
41
41 NO M CONT
Missing main contactor acknowledge
Check: - Switch-ON/-OFF sequence
correct?
- Status of binary input DI3 for ac-
knowledge signal ACK_M_CONT
of main contactor;
- Status of binary output DO3 resp.
of auxiliary contactor (relay)
closing the main contactor after
ON/OFF command.
9.02
bit 7
(3)
