S L C S e r i e s X e n o n C o n s o l e

8.2.

MA L F U N C T I O N : LAMP DOES NOT IGNITE

 

 

The system powers up, but the lamp does not ignite.

 

 

 

 

 

 

 

 

Probable Cause

Corrective Action

Date/Remarks

 

 

 

A

Ready lamp is not on.

Check all interlock or blower switch

 

 

 

 

 

circuits.

 

B

DC supply is not set to

Increase lamp current by adjusting

 

 

 

proper value.

power supply tap switch.

 

C

 

Failed power supply.

With DC power switch ON (open

 

 

 

 

 

circuit), measure across igniter (+) and

 

 

 

 

 

(-) positions for 85VDC minimum. If

 

 

 

 

 

minimum voltage is not present, check

 

 

 

 

 

power supply output.

 

D

 

Failed igniter

Listen for igniter buzz when manual

 

 

 

 

 

start button is pushed. If buzz is heard,

 

 

 

 

 

replace spark gap or AC transformer in

 

 

 

 

 

igniter.

 

E

Igniter relay has failed.

Listen for relay to pull in as start button

 

 

 

 

 

is pushed. If relay does not activate,

 

 

 

 

 

measure coil voltage and/or check relay

 

 

 

 

 

circuit. If no output voltage, replace

 

 

 

 

 

defective relay.

 

F

 

Lamp failed.

Inspect lamp and replace.

 

 

 

 

 

 

 

 

 

 

Table 8-2: Troubleshooting for Lamp Does Not Ignite

8.3.

POWER SUPPLY OUTPUT IS LOW OR NOT STEADY

 

Power is erratic.

 

 

 

 

 

 

 

 

 

Probable Cause

Corrective Action

Date/Remarks

 

 

 

A

One phase open or low at

Inspect all DC and AC connections.

 

 

 

TB2 or TB1

Measure voltages at TB2–L1, TB2–L2,

 

 

 

 

 

and TB2–L3, then at TB1–HI/LO links.

 

 

 

 

 

Check AC source or repair circuit.

 

B

 

Failed diode

With power supply OFF, check for open

 

 

 

 

 

or short in diodes. Use ohmmeter and

 

 

 

 

 

reverse leads. If both measurements are

 

 

 

 

 

below 1 , diode is shorted. If above

 

 

 

 

 

10 k, diode is open. Replace diode.

 

Table 8-3: Troubleshooting for Power Supply Output Low or Not Steady

8-2

CHRISTIE DIGITAL SYSTEMS

August 7, 2003

Page 38
Image 38
Christie Digital Systems XENON CONSOLE manual Troubleshooting for Lamp Does Not Ignite

XENON CONSOLE specifications

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