Hach-Lange SI794 D User Manual - Manual (Page 82)

Alarm contact Red LED Out 1 (22 mA) Out 2 (22 mA)
Error messages
(error codes)
SAT range
Sensor defective
Wrong sensor connected
Measuring range exceeded
Error Display Problem
Possible causes
ERR 01 Measured
value
blinks
x x x
Conc range
Sensor defective
Wrong sensor connected
Measuring range exceeded
ERR 02 Measured
value
blinks
x x x
System error
Configuration or calibration data
defective; completely reconfigure
and recalibrate the transmitter.
Memory error in device program
(PROM defective)
ERR 98 “ConF”
blinks
x x x x
Factory settings
EEPROM or RAM defective
This error message only occurs
in the case of a total defect. The
transmitter must be repaired and
recalibrated at the factory.
ERR 99 “FAIL”
blinks
x x x x
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