TECHNICAL MANUAL "SE" (PBM753) Revision no. 1 dd. 01/02/2017
P.B.M. S.r.l. via Barella, Z.I. - VIGNOLA ( MO ) ITALIA Tel. + 39 (059) 7705311 Fax + 39 (059) 7705300
http://www.gruppopbm.ite-mail : pbm@gruppopbm.it file: Manuale SE PBM753 GB rev.1.doc
page 8
CHAPTER 7: FAULTS
The PBM753 card is able to recognize 4 types of faults :
7.1. BATTERY DISCONNECTION UNDER CHARGE
Disconnection of battery during a charging process might be dangerous.
If nevertheless battery is disconnected from charger during a charging process, the charging process will be
temporarily stopped and a fault will be signalled by means of the yellow L2 LED blinking.
On connecting again a battery to the charger, the card will reset and start a new charging process.
All information concerning the previous charging times go lost.
7.2 CURRENT DELIVERY DURING AN OFF STAGE
During an inactive (not charging) stage the battery charger detects current presence towards battery, and
signals it by means of the red L4 LED blinking slowly. This signals a defect either of the relay or contactor.
7.3 FAILURE TO DELIVER CURRENT DURING AN ON STAGE
During an active (charge) stage the battery charger detects current failure towards battery and signals it by
means of the red L4 LED blinking quickly.
7.4 SAFETY TIMER
If the safety timer operates during the initial charge, the battery charger stops the charging process and signals
it by means of the red L4 LED which lights up constant.
To exit from all fault conditions, the battery charger needs resetting: disconnect the charger from the
power supply and connect it again to it.
CHAPTER 8: LED INDICATIONS
Indication
L1
green
L2
yellow
L3
green
L4
red
L5
yellow
Only mains power supply OFF OFF OFF OFF ON
Only mains power supply (self-test) ON* ON* ON* ON* ON*
Only battery power supply OFF OFF OFF OFF OFF
Mains and battery power supply ON OFF OFF OFF -
Autostart in progress OFF OFF BL BL BL
Initial charge BL OFF OFF OFF -
Final charge BL ON OFF OFF -
End of charging ON ON/OFF ON OFF -
Equalizing charge disabled - - - - OFF
Equalizing charge enabled - - - - ON
Pause during the equalizing charge ON ON/OFF ON OFF BL
Equalizing charge BL ON ON OFF BL
ANOMALY / ALARMS
Mains failure NO INDICATION
Battery disconnection during the charging process OFF BL OFF OFF OFF
Current delivered even if battery charger is OFF ON OFF OFF BL OFF
Current 0 delivered even if battery charger is ON OFF OFF OFF BV OFF
Operation of the safety timer (set at 9 or 11h) ON OFF OFF ON OFF
ON* on for initial self-test
OFF off
ON Light constant
BL blinking slowly
BV blinking quickly
- LED can be in any condition
Note: the yellow LD1 LED (equalizing charge) is always lit, if the equalizing charge is enabled, or always OFF,
if the equalizing charge is disabled. During the quick test, LED’s blink more quickly.
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