HF scientific CLX Online Residual Chlorine Monitor - Manual (Page 32)

CLX (1/12) Page 27
REV 5.1
9.5 Diagnostic Chart
Symptom Cause Cure
Lower display shows MA 4-20 mA loop open Check wiring. See sections
4.3.4 and 7.2
Lower display shows FAIL Major system fault Refer to section 9.1
Readings are erratic (1) Bubbles in solution
(2) Debris in flow (1) See above
(2) Install T strainer at inlet
Readings are lower than expected (1) Condensate or leaky
measurement cuvette
(2) Measurement cuvette
dirty
(3) Reagents bad or expired
(4) Buffer reagent not being
dispensed
(1) Install desiccant cartridge
kit
(2) Replace or clean cuvette
(3) Replace reagents
(4) Check buffer lines and
check valves.
Upper display flashes Sample Over-Range Check sample. Sample may be
too high to read.
Upper display shows nOnE while
attempting to calibrate No current reading displayed Wait for CLX to post a reading
9.6 Technical and Customer Assistance
If for any reason assistance is needed regarding this instrument please do not hesitate to
contact either the HF scientific Technical Service Department or the HF scientific
Customer Service Department:
HF scientific
3170 Metro Parkway
Fort Myers, Florida 33916-7597
Phone: (239) 337-2116
Fax: (239) 332-7643
Toll Free: 888-203-7248
Email: [email protected]
www.hfscientific.com