Taylor-Dunn R 380-36, Operator'S And Service Manual

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Electrical Troubleshooting
Signet Charger Troubleshooting
Page 6
TROUBLESHOOTING
NOTE: There are no internally serviceable components in the charger.
To test charger operation:
Connect a DC volt meter to the main battery positive and negative terminals.
Attach a clamp on DC Ammeter to one of the charger DC output wires.
Plug the charger into an AC outlet.
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).
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.
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.
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.
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GEL batteries must be charged with a charger configured for
GEL batteries. Use of any other charger will result in damage
to the batteries and premature failure of the batteries.
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