Error Messages
Error
Display
ERR 01
Measured
value
blinks
ERR 02
Measured
value
blinks
ERR 98
"Conf"
blinks
ERR 99
"FAIL"
blinks
12
Problem
Possible causes
SAT range
• Sensor defective
• Wrong sensor connected
• Measurement range exceeded
Conc range
• Sensor defective
• Wrong sensor connected
• Measurement range exceeded
System error
Configuration or calibration data defec-
tive; completely reconfigure the device
using the factory settings. Then calibrate.
Memory error in device program
Factory settings
EEPROM or RAM defective
This error message only occurs in the
case of a total defect. The device must be
repaired and recalibrated at the factory.
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