Checking Battery; Discharge; Testing Charging - E-TON EV3 E-MO Service Manual

BATTERY
1
Charging plug
1
2
Indicator light
Charging outlet

CHECKING BATTERY

Discharge

1. Press battery residual power display button
and observe whether LED light
If LED is not on, the battery might out of ele-
ctricity. Please conduct the next step.
2. Plug on Charger plug and make the charger be
OFF.
3. Use an ammeter to measure the output on the
positive and negative poles of the battery and
stay the probe on the output terminal for 10
seconds and observe whether electricity vol-
tage is over 36V.
If the electricity voltage is less than 36V, please
replace the battery immediately.

Testing charging

1. Plug on the charger plug and make the charger
be OFF. Switch on the charger and observe
whether the charger indicator
nates in red.
2. Use an ammeter to measure charging signal.
Use the red probe of the ammeter to test the
positive pole of the battery; the black probe to
test the negative pole of the battery and then
observe whether electricity voltage is more
than 40V and keeps on increasing. If the ele-
ctricity voltage is less than 40V, please use an
ammeter to measure the negative and positive
poles of the battery to observe whether the
electricity voltage is more than 40V. If not,
please replace with a new charger. If yes,
please replace with a new battery.
5-3
BAT
– +
CHA
1
is on.
2
light illumi-
1