90074225 MOPS-Q QTH Lamp Pow er Supplies
Page 56
19 TROUBLESHOOTING
This chart provides the basic troubleshooting information for the Newport Model OPS power supplies
when used with Newport lamp housing. Contact a Newport sales engineer or your local representative if
more information is required.
Symptom
Action
Power supply does not turn on, e.g.
•
Fan not turning
•
Display does not turn on
Check
•
AC power cable is properly connected to AC INPUT
terminal
•
AC Main Power switch is switched to the ON position
•
AC power at wall outlet
Fault light
•
Display shows
“Interlock
Ope
n”
Turn off AC power and Check
•
Lamp interconnection connection cable(s) are firmly fixed
to connectors on power supply and lamp housing
•
Door to lamp housing is closed
•
If the lamp was running before this error message
appeared and the cooling fan of the lamp housing was
operational, this indicates too high a temperature inside
the lamp housing. Confirm there is no blockage of the
cooling fan or vents of the lamp housing.
Fault light
•
Display shows
“Ignition
Fail
ed”
•
Ticking sound heard from top
of lamp housing during
ignition cycle approximately
once per second
This message is displayed usually when trying to ignite and
ignition fails. It is a result of no current flow from supply after 5
second of trying to ignite the lamp.
•
Turn off the power supply and disconnect the Lamp
Interconnection Cable(s) between the lamp housing and
the power supply.
•
Check lamp connection and polarity inside the lamp
housing. A lamp installed upside down or with reversed
polarity should be removed and replaced immediately.
•
Reconnect the Lamp Ignition Cable(s) between the lamp
housing and power supply. Turn on the power supply.
Re-attempt lamp ignition.
•
Confirm the hours of usage on the lamp. A lamp
approaching the end of its rated lifetime will be difficult to
ignite.
•
Attempt ignition with a new lamp.
•
If fault repeats contact Newport for RMA information.
Shutter icon indicates the opposite of
its actual status with external shutter
TTL control.
In the System1 setup menu, change the Shutter setting to reflect
the required TTL signal polarity.