rev. 1904 (EX - FW 6.4)
8 /20
4. OPERATION
4.1
Charger Power-up and Battery Recharge
Charger performs the cycle automatically just after its connection to the battery and to AC Mains.
WARNING: The single phase 5DTM and the three phase 5DTT are slightly different during their starting up
This is the procedure to follow:
Legend:
-- = LED is off
1= LED is ON steady F = LED is flashing
L1 = Battery-Bulk
L2=Final charge
L3=End
L4=on (supplying current) L5= Error
LEDs
Charger
Action
Effect
L1 L2 L3 L4 L5
Display
5DTT
Close AC switch
PCB lights on (3 sec)
1 1 1 1 1
PCB views FW revision (3 sec)
1 1 1 1 1
PCB views Battery disconnected
L -- -- -- --
Connect the battery plug
Perform some internal checks (5 sec)
1 -- -- -- --
Charger supplies current
1 -- -- 1 --
5DTM
Close AC switch
PCB remains fully OFF
-- -- -- -- --
Connect the battery plug
PCB lights on (3 sec)
1 1 1 1 1
PCB views FW revision (3 sec)
1 1 1 1 1
Perform some internal checks (5 sec)
1 -- -- -- --
Charger supplies current
1 -- -- 1 --
(§) Both
During Bulk Charge (<2,4Vel)
Supplying current (Stage 1)
1 -- -- 1 --
During Final Charge (>2,4Vel)
Supplying current (Stage 2)
-- 1 -- 1 --
(*) End of Charge
Battery can be disconnetted and
ready to be used
-- -- 1 -- --
Equalisation or Preservation charge.
Supplying current for 5min / 1h
(Stage 3 and 4)
-- -- 1 1 --
(§) After starting up, these actions are common for both chargers
(*) There are some kind of End, please see table above (navigator)
it is assumed that no errors occur. If so, refer to the Troubleshooting section
The battery must be around the rated voltage and in good condition
Using the << and >> keys it is possible to display the recharge parameters.
4.2
Charging stop and battery disconnection
Battery can be disconnected if the display views END or STOP.
During the charge an electric spark occurs, please use the Push button to Stop the charge.
WARNING: this procedure must be followed in order to avoid electric sparks/arcs:
Action
Effect
L1 L2 L3 L4 L5
Display
Press OFF button (for 4 sec)
Charger stops supplying current
1 -- -- -- --
Disconnect the battery plug
(5DTM) - PCB turns fully off
-- -- -- -- --
(5DTT) - PCB shows "bAt"
F -- -- -- --
NOTE
: if the charge is completed (green LED L3 – on) and the charger is not working (yellow LED L4 – off) battery plug can
be disconnected avoiding electric arcs.
Connecting another discharged battery will automatically re-start the charger.
