BN 09 2671/01/01 - 46 / 50 -
10.2 FAN MAINTENANCE
Rectifier bridge and cabinet fans:
It is recommended to replace the fans every five years. This operation must be done by specialized
personnel.
10.3 CAPACITORS MAINTENANCE
It is recommended to replace the DC capacitors, the AC filter Z1 and the DC EMC filter Z2 every seven years. This
operation must be done by specialized personnel.
11 ELEMENTARY TROUBLESHOOTING
When an alarm is activated, the green light is out and the red light flashes on the charger display. The "ALARM"
message can be displayed by pressing any key to go to main menu.
Note the descriptions of the alarms present (see Chapter 6 - OPERATING INSTRUCTIONS).
If pressing RESET (in the alarm menu) does not turn off the red light, refer to the following troubleshooting table for
the corrective action to be taken.
NOTE:
This elementary troubleshooting guide assumes that the usual protective options are fitted.
Your equipment may be different and some of alarms can be deactivated. Refer to the customer drawings.
ALARM or EVENT PROBABLE CAUSE CORRECTIVE ACTION
The display is white Contrast problem
Do not touch any button for 5
minutes. This will automatically
activate the default menu. Held the
rightmost button, the contrast will be
increased.
“HIGH MAINS VOLTS”
Mains voltage out of limits.
Programmable threshold: default value or
customer demand value.
. Check the mains voltage.
The voltage must as per the specified
value on the customer drawing
package.
“LOW MAINS VOLTS”
. Rectifier off.
. Mains protection opened.
. Switch on the rectifier.
. Check the fuse(s). Replace if
necessary. Check the input
breaker/switch.
. Check the fuses. Replace the
defective fuses
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