Barco FLM series, Service Manual

Page: 301 / 331

27. Lamp power supply
27.1 LPS diagnostic LED’s
Status LED’s on LPS unit
The LPS module contains in total 10 status LED’s. 5 LED’s per LPS unit. One orange, three green and one red LED. The orange
LED “LVPS OK” lights up immediately after the projector is switched on. All other status LED’s of the LPS unit remains off. This is
the standby status of the LPS unit. Once the command is send to the LPS units to start up the projector lamp the green LED’s are
lighting up one after the other. First the green LED “PFC OK”, then the green LED “LPS OK” and finally, when the lamp is ignited,
the green LED “LAMP ON”.
The red LED “ERR” remains off unless an error is detected inside the LPS unit or both LPS units where ordered to shutdown due to
a malfunction somewhere else inside the projector.
LAMP OUT
MAINS
INPUT
LAMP OUT
MAINS
INPUT
LAMP ON / LVPS OK
ERR PFC
OK
LPS
OK
Image 27-2
Diagnostic
Or. Gr. Gr. Gr. Re.
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 FLM
lamp house in case the
voltage on the “LAMP
OUT” pins is 140 volt
and you hear the SPG
module 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.
—
R59770072 FLM SERIES 19/03/2007 299