/ Ci4000 / Ci5000 Weather-Ometer
®
Service Guide Doc. No. 07-7030-00 Rev. 0
34
5.0 TROUBLESHOOTING PROCEDURES
5.2 Xenon Lamp and Irradiance Control Malfunctions (cont.)
5.2.2 Troubleshooting Guide
MALFUNCTION
PROBABLE CAUSE
CORRECTIVE ACTION
Lamp fails to ignite
Chamber door open or switch failure
Close door or check switch.
Xenon lamp/ignition breakers off
Turn on circuit-breakers.
Lamp assembled/installed incorrectly
Check lamp.
Lamp ignitor lead off or loose
Check lead connections.
Light rod dirty or damaged
Inspect/clean light rod.
Light monitor malfunction
Check filters & photodiodes.
Lamp burner socket damaged
Inspect/replace (Sec. 7.2.4).
Low lamp starting voltage
Check/adjust taps on T1 and L1.
CS-6 cooling water flow low
Check CS-6 (see Section 5.5)
Ignitor malfunction
Conduct procedure in 5.2.6.
Relay failure in lamp circuit
Conduct procedure in 5.2.6.
PLC malfunction
Conduct procedure in 5.2.6.
Lamp output is high/low
Burner is near end of life
Replace xenon burner.
Lamp filters expired
Replace lamp filters.
Burner tip/socket damaged
Inspect/replace socket or burner.
Incorrect irradiance calibration
Recalibrate (Section 6.9).
Interference filters expired
Check/replace filters (Sec. 7.2.9).
Light rod is misaligned
Align light rod (Secs. 7.2.14 & .15)
Wattage regulator malfunction
Conduct procedure in 5.2.7.
Lamp will not operate
1-Sun or 2-Sun relay failure
Perform procedure 5.2.8.
above 1-Sun level
(Ci5000 only)
Lamp operating at
Burner is near end of life
Replace xenon burner.
excessive wattage
Lamp filters expired
Replace lamp filters.
Burner tip/socket damaged
Inspect/replace socket or burner.
Incorrect irradiance calibration
Recalibrate (Section 6.9).
Interference filters expired
Check/replace filters (Sec. 7.2.9).
Light rod is misaligned
Align per Section 7.2.14 or 7.2.15.
Wattage regulator malfunction
Conduct procedure in 5.2.7.
No wattage display
Blown fuse F1 on A1 transducer
Check fuse.
A1 wattage transducer board failure
Check board output w/ lamp on.