WL400 Manual Page 13 – Revision: 10-23-2019SERVICE REQUIREMENTSWARNING! Read and understand the contents of this manual before attempting to serviceWL400. Failure to follow the instructions in this manual could result in death, seriouspersonal injury, or severe property damage. Only trained and qualified technicians shouldattempt to install, maintain, or service Waterlogic Equipment.1. Visually inspect all electrical and water connections for signs of wear or damage.DANGER! HIGH VOLTAGE ELECTRICAL HAZARD. Unplug before inspection and service.2. Waterlogic recommends changing the UV Lamp Assembly and Wiring Harness must be replacedevery 6 months.WARNING! ULTRAVIOLET RADIATION. Protect your skin and eyes against ultraviolet rays.Never look directly at an operating UV light. Disconnect before removing UV Lamp.CAUTION! UV LAMPS ARE HAZARDOUS. Lamps are considered Hazardous Waste and mustbe disposed of accordingly. Refer to Product MSDS sheet for details.3. Clean the Quartz Sleeve that surrounds the UV lamp with a non-abrasive cloth, descaling solution,or ultrasonic bath if needed when changing UV Lamps.CAUTION! UV SYSTEM IS FRAGILE. Never handle the UV lamp or Quartz Sleeve with barehands. UV Lamp and quartz sleeve must be free of oils and contaminants to ensure properoperation. Use a soft non-abrasive cloth to clean.4. Inspect the Quartz Sleeve O-ring for wear or damage and replace as necessary.5. Ensure there is adequate (minimum of 2”) clearance around the unit and clean the condenser grilland compressor fan to provide efficient cooling system operation.6. Sanitize the Cold Tank per instructions in the Pre-Installation procedures.7. Clean and sanitize external surfaces of the unit. Use soap and water or chemicals that arecompatible with ABS plastic and will not damage or degrade the product surfaces.8. Remove and clean the Faucet. Replace as needed.WARNING! SANITIZER MAY CONTAIN HAZARDOUS CHEMICALS. Use of proper personalprotective equipment such as rubber gloves and eye protection is required.13UV Lamp AssemblyPart Number CT-2090-C WLCP Part Number 10-8075