Battery And Alternator Test; Battery Test; Charge System Test; (Alternator) - Telwin DOCTOR CHARGE 30 Gebrauchsanweisung

3.4 BATTERY AND ALTERNATOR TEST

The measurements can be performed with the
battery connected to the vehicle, after connecting
the clamps. Select the measurement to be
performed using the "FUNCTION" button (fi g. A.22).
On completing the test(s) disconnect the power
cable from the mains socket and disconnect the
clamps from the battery terminals.
NB: it is only possible to perform the tests without
a power supply if the tests type selection is made
after connecting the clamps to the battery terminals.

3.4.1 BATTERY TEST

Measure the voltage of the battery terminals.
BATTERY TEST SELECTION
Procedure
- press the "FUNCTION" button (fi g. A.22) to select
the function and the battery type (fi g. A.20);
- connect the clamps to the battery terminals;
- press the "VOLT" button (fi g. A.21) to select the
battery voltage (fi g. A.1);
The measured voltage is indicated on the display
(fi g. A.2) and the battery status is indicated in graph
format (fi g. A.5).
END OF TEST - EXAMPLE
DISPLAY LEGENDA
to be charged to be charged

3.4.2 CHARGE SYSTEM TEST

(ALTERNATOR)

This measures the battery charging capacity of the
vehicle alternator.
DISPLAY
full
ALTERNATOR TEST SELECTION
Procedure:
- press the "FUNCTION" button (fi g. A.22) to
select this function (fi g. A.18); the message "Bad"
appears on the display (fi g. A.2);
- connect the clamps to the battery terminals;
- press the "VOLT" button (fi g. A.21) to select the
battery voltage (fi g. A.1);
- switch on the engine, taking it to approx. 1500
rpm;
- switch on all the lights (full headlights, courtesy
lights, etc.) and all the accessories (air conditioning,
radio, etc.);
- check the display (fi g. A.2) to read the alternator
functions and following status:
- "OK" - CHARGING IN PROGRESS;
- "SUF" - SUFFICIENT CHARGE;
- "BAD" - INSUFFICIENT CHARGE.
END OF TEST - EXAMPLE
DISPLAY LEGENDA
working
3.4.3 BATTERY
CAPACITY (CCA)
CCA TEST SELECTION
Procedure:
- press the "FUNCTION" button (fi g. A.22) to select
- 61 -
DISPLAY
sufficient insufficient
STARTING CHARGE
DISPLAY