Barco DP2K-12C, Service Manual

Page: 297 / 359

18. Lamp power supply (single module)
Orange Green Green Green
Red
LVPS OK PFC OK LPS OK LAMP OK ERR
Diagnostic Action
OFF OFF OFF OFF OFF No input voltage. Switch on the projector.
ON OFF OFF OFF OFF Standby modus of LPS unit.
—
ON ON ON OFF OFF PFC and LPS seems to work
normally but the lamp is not
ignited. This situation can be
the result of a bad lamp or
SPG module.
• Install another xenon
lamp in case the voltage
on the “LAMP OUT” pins
is 140 volt and you hear
the SPG three times
clicking to ignite the
lamp.
• Replace the SPG module
in case the voltage value
on the “LAMP OUT” pins
is >140 volt and you
do not hear the SPG
module clicking to ignite
the lamp.
• Replace the LPS module
in case the voltage value
on the “LAMP OUT” pins
is below 140 volt and the
lamp is not ignited.
ON ON ON ON OFF LPS unit is operating normally.
Projector lamp is ignited.
—
ON OFF OFF OFF ON LPS internal temperature is
too high.
• Check if the LPS air inlet
at the bottom side of the
projector is not blocked.
• Check if the air outlet at
the rear of the projector
is not blocked.
• If the problem remains,
replace the whole LPS
module.
Flashing
fast
Error detected inside this LPS
unit. In case the other LPS
unit operates normally the
LPS module as a whole works
at 50%. Replace the LPS module. ON OFF OFF OFF
Flashing
slow
External error detected from
Fan Control board. Replace Fan Control board.
Normal conditions of diagnostic LEDs when a lamp is switched ON
• LED 1 (Yellow right) : fl ashing (beating as a heart)
• LED 2 (Yellow center) : not de fi ned
• LED 3 (Yellow left) : fl ashing few times / second
• ERR : OFF
• PFC OK : ON (green)
• LPS OK : ON (green)
• LAMP ON : ON (green)
• LVPS OK : ON (yellow/orange)
R5905043 DP2K-12C/11CX 19/02/2018 293