Tait TP9100 - Single Battery Charger Troubleshooting

300 TPA-CH-001 Single Battery Charger TP9100 Service Manual
© Tait Electronics Limited May 2005
3. When the battery is fully charged, the green “Ready” LED on the
charger glows. The battery can be safely left in the charger—remove
it when you are ready.
Note For more information on how to prolong battery life, refer to the
Battery Care & Charging Guide.
15.3 Troubleshooting
1. If the amber “Fault” LED flashes or lights up, check the possible
causes listed in Table 15.1:
2. Check the output voltage of the Tait power adaptor. It should be
between 11.5V and 20V.
3. Disassemble the charger as described in “Disassembly/Reassembly”
on page 301 and check fuse F1 (see Figure 15.1).
4. Check the power connector.
5. Check the connections of the cable between the two PCBs.
Table 15.1 Troubleshooting the charger
Fault LED Possible causes and solutions
Flashing
(fault)
■ The battery is not compatible with the charger—use only Tait
batteries and chargers.
■ There is insufficient voltage to the charger—check you are using
the correct power adaptor.
■ The battery pack may be faulty.
Glowing
(charging is
suspended)
The battery pack is either too hot or too cold. Charging will begin
when the temperature of the battery pack is between 41°F (5°C)
and 104°F (40°C).
Figure 15.1 Main PCB showing power connector and fuse F1 (top side)
Fuse F1
Power
connector