Error icon (blinks) problem possible causes – Hach-Lange SI794 D tr User Manual User Manual
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Alarm contact
Red LED
out
1 (22 mA)
Out 2 (22 mA)
Current output 1
Current below 0 (3.8) mA
Error
Icon
(blinks)
Problem
Possible causes
ERR 11
x
x
x
Temperature probe
Open or short circuit
Temperature range exceeded
ERR 03
x
x
x
x
Current output 1
Current above 20.5 mA
ERR 12
x
x
x
Current output 1
Current span too small / too large
ERR 13
x
x
x
Current output 2
Current below 0 (3.8) mA
ERR 21
x
x
x
Current output 2
Current above 20.5 mA
ERR 22
x
x
x
Current output 2
Current span too small / too large
ERR 23
x
x
x
Rinsing probe
Communication error
ERR 41
x
x
x
Sensocheck
Sensor: connecting cable defective
ERR 33
x
x
x
• Zero error, Sensoface active, see Pg 86
• Slope error, Sensoface active, see Pg 86
x
• Response time exceeded, Sensoface active, see Pg 86
• Cal interval expired, Sensoface active, see Pg 86
83