Lamp Replacement; Resetting The Lamp Operation Time - Hamamatsu Photonics LIGHTINGCURE LC8 Instruction Manual

■ Lamp Replacement
q Turn off the lamp and let the cooling fan run for 15 minutes or longer.
w After the temperature in the unit has dropped sufficiently, turn off the power switch.
e Loosen the lamp replacement hatch fixing screw and open the hatch forward.
r Remove the lamp fixing cap by turning it.
t Grasp the lamp flange and pull the lamp gradually straight out from the housing.
y Install a new lamp by performing Steps r to u in p.25.
Request
● This product contains highly pressurized xenon gas (about 0.1 MPa to 1 MPa) and
mercury sealed in. This product, when to be disposed of, should be treated properly
according to the waste disposal law by the user. Or it should be handed over to the
industrial waste treatment firm duly authorized as it is (without breaking it) because
it has high inner pressure for proper disposal there. When it is used and disposed of
in any place outside of Japan, it should be treated properly according to the statu-
tory regulations of the state and local governments applicable to that place.

Resetting the Lamp Operation Time

When the accumulated lamp operation time reaches
4000 hours (L8253:3000 hours), the
indicator lights, indicating that the lamp should be re-
placed. At the same time, the "Lamp Change" and "Alarm"
signal is output from the external control terminal. Then
replace the lamp with a new one as soon as possible.
Also, when the accumulated lamp operation time reach-
es 5000 hours, the lamp is forced to turn off for the sake
of safety. (Unless the accumulated lamp operation time
is reset, the lamp will not turn on again.)
■ Resetting the Lamp Operation Time
Whenever the lamp has been replaced, reset the lamp
lifetime according to the following method.
While pressing the SHIFT button in the normal display mode,
press the UP and DOWN buttons at the same time. Then the
mode changes to the accumulated lamp operation time reset
mode and the OPERATING TIME indicator flashes. In this
state, pressing the UP and DOWN buttons at the same time
will reset the accumulated lamp operation time to "0" and
the mode will return to the normal display mode. To return
the mode to the normal display mode from the accumulated
operation time reset mode without resetting the accumulated
lamp operation time, wait for 1 minute or longer leaving all
buttons untouched as they are.

Lamp Replacement

LAMP CHANGE
● Do not reset the lamp operation time before the
● If the accumulated lamp operation time setting
● When the accumulated lamp operation time
27
Caution
lamp life time runs out. If it is reset, the alarm
to indicate necessity of lamp change will not be
output properly.
mode is kept as it is for 1 minute or longer and
no resetting is made during that time, the mode
returns to the normal display mode.
reaches 5000 hours, the lamp is forced to turn off
for the sake of safety. (Unless the accumulated
lamp operation time is reset, the lamp will not
turn on again.)