Troubleshooting - Barco DP2K-12C Service Manual

19.2 Troubleshooting

Lamp fails to ignite after you switched the projector from standby to operation
Situation
You can hear the SPG module three times clicking in an attempt to ignite
the lamp. The voltage on the "LAMP OUT" pins of the LPS module is
first 140 volt during the attempt to ignite and then drops to 0 volt.
Note: The ambient noise must be low to hear the SPG clicking in an
attempt to ignite the lamp.
You can not hear the SPG module three times clicking in an attempt to
ignite the lamp. The voltage on the "LAMP OUT" pins of the LPS module
is first 140 volt during the attempt to ignite and then drops to 0 volt.
Note: The ambient noise must be low to hear the SPG clicking in an
attempt to ignite the lamp.
You can not hear the SPG module three times clicking in an attempt to
ignite the lamp. The voltage on the "LAMP OUT" pins of the LPS module
is below 140 volt during the attempt to ignite. The diagnostic LED's of
the LPS module indicates a problem with the LPS module.
Note: The ambient noise must be low to hear the SPG clicking in an
attempt to ignite the lamp.
R5905043 DP2K-12C/11CX 19/02/2018
19. Start Pulse Generator
Solution
• The LPS and SPG seem to work normally but
the lamp is bad. Install another lamp house.
• If the problem remains, replace the SPG
module.
• Check the cabling of the SPG module.
• Replace the SPG module.
• Check the cabling of the LPS module.
• Replace the LPS module.
305