YSI 550A Y S I Environmental Page 13
SYMPTOM POSSIBLE SOLUTION
7. Secondary display reads
"Ovr" or “Undr”.
A. Sample temperature is less than -5º C (23ºF) or more than
+45
o
C (122
o
F). Increase or decrease the sample temperature to
bring within the allowable range.
B. Return system for service.
8. Main display reads “Err” and
Secondary display reads
“RO”, “RA”, or “AdC”.
A. Return system for service
9. Main display reads “Err” or
burn” and
Secondary display reads
“EEP”
A. Return system for service
CONTACT INFORMATION
YSI offers a wide range of customer assistance and technical support functions to ensure that you have
the information required to use our products. Contact YSI if you need assistance or have questions
regarding any YSI Product. Business hours are Monday through Friday, 8AM to 5PM ET.
YSI Environmental Incorporated
1725 Brannum Lane
Yellow Springs, OH 45387
Toll Free: 800-897-4151 (US)
Phone: +1 937 767-7241
Fax: +1 937 767-1058
E-Mail:
environmental@ysi.com
www.ysi.com
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