Hach-Lange SI794 C User Manual - Manual (Page 88)

88
A
lar
m
con
tac
t
Red
LED
O
ut
1
(22
mA
)
O
ut
2
(22
mA
)
Error messages (error codes)
Sensor
• Wrong cell constant
• Measurement range violation
• SAL > 45 ‰
• Sensor connection or cable defective
Error Display Problem
Possible causes
ERR 01 Measured
value
blinks
x x x
Unsuitable sensor
Conductance range > 3500 mS
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
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
Temperature probe
Open or short circuit
Temperature range exceeded
ERR 03 x x x x