DUPLOMATIC E.M.DDC4-400V/RK RELEASE 1.9 07-09
EM DDC4-400-RK-0709gb.doc 17
4. DIAGNOSTIC
ALARMS AND WARNINGS
The electronic unit constantly executes self-diagnosis and can signal alarms condition.
The alarms are represented as group and sub-group
The group alarm code is provided on output ALBIT1, ALBIT2, ALBIT4 according to the following table.
The sub-group alarm is available on ALPOSxx outputs.
Every group indentify a well defined source of problems.
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.
Please refer to the EXTENDED ALARM DESCRIPTION to get a more complete description of the alarm and to
have information about troubleshooting.
A PC software is available to improve the stat-up procedure and troubleshooting.
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.
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