Oldham DL9, Instruction Manual And User Handbook

Page: 9 / 11

9
TROUBLESHOOTING
PROBLEM CAUSE
LED is dim or fails to light
1) Both LED’s are dim / fail to light
2) Main LED is dim / fails to light
1. Loose connections:
a. Check the connections on the top of the battery to
make sure they are tight.
b. Check the headpiece terminals and the electrical
connections inside the headpiece in the same manner
as those on the battery.
2. Loose connections:
a. Gently wiggle or pry each connection on top of the
battery to make sure it is tight and working properly.
b. Check the cables for broken conductors by twisting or
pulling it at various points along its length.
c. Check the headpiece terminals and the electrical
connections inside the headpiece in the same manner
as those on the battery.
d. Make sure the bulb is secure and making good
contact.
e. If the light flickers or dims when any of the preceding
items are being checked, that item should be repaired
or replaced.
Battery appears “dead” and will not operate a. Check that the fuse has not blown
b. Check the cross volts of the battery, if no voltage is
recorded the battery has been over discharged and
must be recovered on a nursery charger.
c. Detach the battery from the headpiece and reconnect
to the nursery charger via the ring terminals, red
positive + and black negative - , leave on charge for 8
hours before reconnecting to the lamp top and putting
back on the normal charger for 24 hours.
Battery capacity a. The L9 battery is designed for 10 hour operation, while
the L16 battery will operate a 12+ hour shift. Failure to
achieve this is probably due to a high resistant joint in
the circuit.
b. Check Headpiece charging connections
c. Check charger.
d. Check battery connections.
IMPORTANT : ALWAYS RECHARGE THE LAMP AFTER USE.
ENSURE THAT ONLY CHARGERS WITH THE
CORRECT LI-ION CHARGE PROFILE ARE USED.