DUPLOMATIC
E.M.6427 RELEASE 7.1 05-03
6427071-230-en 15
4. DIAGNOSTIC
ALARMS AND WARNINGS
The electronic unit constantly executes self-diagnosis and can signal alarms condition.
Alarm code is provided on output ALBIT1, ALBIT2, ALBIT4 according to the following table.
ALARM CODE
ALARM N°
DESCRIPTION
ALBIT1 ALBIT2 ALBIT4
1
0
0
1
Fault of supply.
0 1 0 2
Over
voltage.
1
1
0
3
Over current/servo error/
thermal detector.
0 0 1 4
Unlocking
faults,
(switch fault, setting, pressure supply
fault, etc.).
1 0 1 5
Locking
faults,
(switch fault, setting, pressure supply
fault, etc.).
0
1
1
6
Zero search fault,
(switch fault, setting, etc.).
1
1
1
7
Zero search missed/
Position code error/
Cycle time out/
PSTART signal time out.
Alarm are stored and can be reset with EMERGENCY/RESET function.
Power off causes the reset of the active alarm.
A better identification of the alarm codes is possible by a PC with RS232 interface and a
Duplomatic diagnostic software. available
Please refer to the EXTENDED ALARM DESCRIPTION to get a more complete description of the
alarm and to have information about troubleshooting.
The serial communication parameters are: 9600,N,8,1
Fault of electronic unit:
After recognizing the fault, the problem can be easily solved.
In case of electronic unit fault, it can be easily replaced.
