Battery Charger
Page 13
MN-402-000
Troubleshooting
NOTE: There are no internally serviceable components in the charger.
To test charger operation:
1. Connect a DC volt meter to the main battery positive and negative terminals.
2. Attach a clamp on DC Ammeter to one of the charger DC output wires.
3. Plug the charger into an AC outlet.
4. Wait for charger to start (up to 15 seconds), the ammeter should display the DC Amp rating of the charger (plus or minus
10%) indicating that the charger is on (constant current mode).
5. The ammeter should continue to display the DC Amp rating of the charger until the battery voltage equals V1. When the
battery voltage equals V1 the charger will switch to the constant voltage mode. At this point, the charging current will be
reduced and will taper off until the batteries are fully charged. The batteries are fully charged when the charging current is
down to A1.
6. If the charger does not turn on, there are no faults, and the POWER light is ON, then the charger has failed and must be
replaced.
7. If the POWER light is OFF, then check the AC power source, AC power cable and connections. If the source, cable and
connections are good, then the charger has failed and must be replaced.
The charger comes equipped with a long fully
insulated AC cord that can be cut to length as needed
for the vehicle application. Do not cut the AC cord
and splice to the existing AC cord in the vehicle.
Cutting and splicing the AC cord will void the
charger warranty.
While connected to an AC outlet, the charger cabinet
must remain electrically grounded. Disconnect both
of the battery leads and unplug the charger from
the AC source before disconnecting any electrical
component or wire. Failure to do so may result in
serious bodily injury.
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