23
TROUBLE SHOOTING TABLE
SYMPTOMS
POSSIBLE CAUSES
TEST / REPAIR PROCEDURE
Light unit does not switch on
a. Battery vest or external power
source not connected to the
Megaray
b. Battery disconnected in battery
vest
c. Battery voltage too low
d. Power source not switched on or
reverse polarity
e. Light unit faulty
a. Check for secure connection to
battery or external power source
b. Open battery pocket on battery vest
and check for secure connection of
cable to battery
c. Put battery vest on charge
d. Check
for
correct
polarity
connection to power source.
e. Repair light unit
Light unit switches on (ON
LED comes on) but the light
does not come on
a. Battery or power source too low
b. Internal temperature too high
(Temp LED on)
c. Light unit faulty
a. Put the battery vest on charge or
check the power source for correct
voltage and current settings.
b. Allow the unit to cool down It will
restart automatically when the
internal temperature reaches a safe
level.
(Note : In hot ambient conditions or
when airflow over the bottom
heatsink is low, this shut down will
occur more frequently)
c. Repair light unit
Light intensity low when
switched on
a. Battery or power source too low
(See BATT LOW LED is on)
b. Degraded lamp
(Past its lifetime or abused )
c. Faulty lamp due to abuse or
internal lamp flaws
d. Faulty light unit electronics
a. Put the battery vest on charge or
check the power source for correct
voltage and current settings.
b. Repair light unit
c. Repair light unit
d. Repair light unit
