12. Start Pulse Generator
12.2 Troubleshooting
Lamp fails to ignite after you switched the projector from standby to operation
Situation Solution
You c an hear the SPG module three times clicking in an attempt to ignite
the lamp. The voltage on the “LAMP O UT” pins of the L PS module is
first 140 volt during the attempt to ignite and then drops to 0 volt.
Note: The a mbient noise must be low to hear the SPG clicking in an
attempt to ignite the lamp.
• The LPS and SPG seem to work normally but
the lamp is bad. Install another lam p house.
• If the problem remains, r eplace the SPG
module.
You can not hear the SPG module three times clicking in an attempt to
ignite the lamp. The vo ltage on the “LA MP OUT” pins of the LPS mod ule
is first 140 volt during the attempt to ignite and then drops to 0 volt.
Note: The a mbient noise must be low to hear the SPG clicking in an
attempt to ignite the lamp.
• Check the cabling of the SPG module.
• Replace the SPG module.
You can not hear the SPG module three times clicking in an attempt to
ignite the lamp. The vo ltage on the “LA MP OUT” pins of the LPS mod ule
is below 140 vo lt during the attempt to ignite. The diagnostic LED’s of
the LP S module indicates a problem w ith the LPS module.
Note: The a mbient noise must be low to hear the SPG clicking in an
attempt to ignite the lamp.
• Check the cabling of the LPS module.
• Replace the LPS module.
182 R5905312 HDF W SERIES 24/01/2013
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