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Maintenance and Troubleshooting
12.3.2 Technical support
Technical support engineers can provide high quality advice and recommendations for
applications, product operation, measurement specifications, hardware and software,
factory and customer site training.
Any questionable problems should be referred to HACH Company and the following
information should be included in any correspondence with the factory:
• The instrument’s serial number.
• Sample resistivity and temperature.
• Current and historical TOC data.
• Current and historical alarm codes.
• A setup printout.
• Process conductivity or resistivity and temperature.
• Current and historical calibration, validation and system suitability results.
• Any other significant changes in operating conditions.
If existing problems warrant equipment return, contact HACH Company, Inc. at:
HACH Company, Inc.
5600 Lindbergh Drive
Loveland, Colorado 80538
• U.S.A.Voice: +1 541.472.6500
• Toll free: 1.800.866.8854 (USA/CA)
• FAX: 1.541.474.7414
6:00 AM to 5:00 PM Pacific Time Monday through Friday
• Email: TechSupportGP@hach.com
Global Headquarters
Service Department
6, route de Compois, C.P. 212,
CH-1222 Vésenaz, Geneva, Switzerland
• Telephone: 41.22.594.6400
• FAX: 41.22.594.6488
• Website: www.hach.com
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