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BIOSHIELD
®
Commercial UV Sterilizer Installation and User's Guide
SECTION 10: TROUBLESHOOTING
SITUATION INSPECT FOR
UV system will not function with the
External ON/OFF
Switch in the “On” position
1. No Input Voltage Available
2. Temperature Sensor Cable Plug is Interrupted/Defective
3. Input Voltage is lower than the Factory Set Threshold
UV Lamp does not light 1. Faulty Contact (four-pin connector/lamp pins)
2. Defective Electronic Ballast
3. Defective UV Lamp
4. Water Damage due to Quartz Sleeve Seal Failure
UV Intensity Low 1. Decreased UV Transmissibility
2. UV Lamp reached “End of Life”
3. Quartz Sleeve Fouled
4. Faulty UV Sensor
Enclosure Over-Heating 1. Ambient Temperature above 145° F
2. Defective Thermal Switch
3. Cooling Fan Filter Mat needs to be cleaned
4. Defective Cooling Fan
Quartz Sleeve Seal Failure 1. Cracked/Broken Quartz Sleeve
2. Failed Quartz Sleeve Retaining Nut O-Ring Seal
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