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Alarm/fault displaying
Corrective steps
In case the requirements for equipotential conditions do not comply with, the following
troubles could occur when striking the lamp:
1. The power supply does not strike the lamp, the alarm LED comes on:
- after about 1 second, the power supply will reset: the alarm LED comes off and
"current setting" will be displayed. Press OK to restrike the lamp.
- under ON/OFF remote operation: a new striking will be performed automatically.
- under RS232 operation: the lamp off signal is sent to the remote device. After-
ward a new striking command will be sent.
2. The power supply does not strike the lamp, the display is off or some unrecogniz-
able characters are displayed:
- disconnect the unit from the mains.
- close the RS232 communication from remote device
- switch on the power supply again and wait for "current setting" displaying or, wait
15 seconds before reconnecting through the serial line
- strike the lamp again.
3. The power supply does not strike the lamp. "EEprom data error EX halted" is dis-
played.
- press and hold OK for at least 1 second. "Reset Ex. Set up parameters. wait" will
be displayed.
- the default parameters (factory settings) will be restored and the two hour me-
ters reset.
- the power supply switches to program mode (input parameters). Enter operating
parameters and RS232 mode again.
4. The RS232 communication does not operate or the power supply has to be reset.
If the communication with the PC does not operate, reset the power supply to
alleviate the problem. To reset the unit act as follows:
- go to program menu
- the screen will display "enter the password".
- press the keys
- the screen will display "Reset Ex. Set up parameters. wait": the operating pa-
rameters will be the default ones (i.e. the factory setting).
- set your usual parameters again.
- start the RS232 communication.
MAN01554E/1
and
at the same time.
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