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Installation, Operation, and Maintenance Manual # 509252 Rev R 55
Chapter 4. Operation
System Operation Controls
The lamp system is operated from the controls on the front of the power supply.
NOTE: Ambient system operating temperature is 0 to 45°C.
Lamp Control
At STANDBY, power (115 VAC) is applied to the magnetron filaments without
energizing the bulb. All interlocks and controls will continue to operate in STANDBY.
An external blower can be triggered through a connection to output relay K1.
Pressing the LAMP ON button energizes the lamp to its full power level after a
STANDBY delay and an additional “full power” delay. If after 8 seconds in the ON
position the bulb has not successfully ignited, the lamp will shut down. Check the LED
display on the power supply; it will indicate the probable source of the problem.
A “LAMP OUT” is a result of many different causes. The following are some reasons
that may be a source of this fault condition:
• Successive short cycles
• Operation at improper air pressure
• Operation at continuous reduced power level with improper air pressure
• Improper initial ignition of the system
• Poor distribution of the fill material inside the bulb as a result of shipping and
handling
WARNING: Before operating the system, the
operator must become familiar with the operating
safety information presented in Chapter 1, “Safety”.