Evoqua Wallace & Tiernan Depolox 3 plus, Manual

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WT.050.560.001.UA.IM.0714 96
Depolox
®
3 plus ReSIDUAl ANAlYZeR
eVoQUA W3T140188
4.1 Depolox® 3 plus
Table 4.1 - errors
Error Message Cause Remedy
High/Low Alarms:
*min DIS ? * Alarm value exceeded Check dosing
*max DIS ? * Check sample water flow
*min pH ? *
*max pH ? *
*min Fluor ? *
*max Fluor ? *
General Faults:
*mA-output? * mA loop impedance too high Check mA loop <1000 ohm
Loop interrupted Jump if not used
*cell DIS ? * Sensor wrongly connected Check wiring
*cell pH ? * Sensor cables interchanged
or
(In ph compensated mode) pH is
out of range Perform calibration
or
Adjust pH
*cell Fluor ? * Sensor defective Replace sensor
*Circ.Fail. ? * Internal failure Contact Evoqua Water
Technologies
*temperature ? * Temperature failure Check temp. Sensor, wiring
Warnings
*Range ? * Alarm value out of range Adjust range or limit value
Range changed subsequently
Setpoint Cl
2
out of range Adjust range or setpoint
*ADU 1 ? * Internal failure Call Evoqua Water
Technologies service
*ADU 2 ? *
*ADU 3 ? *
*Cal. DIS ? *
Calibration error Perform new calibration
*Cal. pH ? * Check buffer solutions
*Cal. Fluor ? * Replace electrolyte
*OVR DIS ? * Value exceeds range Check range and dosing
*OVR pH ? * Range does not fit
*OVR Fluor ? * Dosing too high
*DI1 ? *
*DI2 ? *
*DI3 ? * Signal at the digital input Check for the origin of the signal,
e.g., sample water flow too low
Jump if not used