Hach-Lange SOLITAX sc - Manual (Page 21)

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Section 6 Troubleshooting
6.1 Error Codes
In the case of an error, the indication of the measured value flashes on the display and all
the contacts and current outputs allocated to this sensor are placed on hold. The following
conditions will result in flashing measured values:
• Data transmission between controller and sensor interrupted
On the Main menu open the SENSOR DIAG menu using ENTER and determine the
cause of the fault.
6.2 Warnings
A warning results in a flashing warning icon on the right of the display, all menus, contacts
and outputs remain unaffected and continue to work normally. On the Main menu open the
SENSOR DIAG menu using ENTER and determine the cause of the warning.
A warning may be used to trigger a relay and users can set warning levels to define the
severity of the warning.
Table 1 Error Messages
Error Displayed Cause Solution
POS. UNKNOWN Wiper position unknown
Open the TEST/MAINT menu and trigger the ”WIPE” function, if the
problem persists contact the manufacturer's customer service
LED FAULTY Faulty LED Contact customer service
MOIST Moisture value > 10
Remove the sensor immediately and store in a dry place, contact
customer service
CAL. DATA Factory calibration data lost Contact customer service
Table 2 Warnings
Warning Displayed Cause Solution
WARNING Cause Action
REPLACE WIPER Counter elapsed Replace wiper, reset counter
TEST/MAINT Counter elapsed Contact customer service
GASKET Counter elapsed Contact customer service