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Table of Contents
CAUTION: There are live circuits inside the controller even when the power switch is in the
OFF position! Servicing and troubleshooting the controller must be performed by Qualified
Service Personnel.
WM1, WIND, W100, W600, W900: ORP Sensor Troubleshooting Guide
(Electrode and Housing)
Table of Contents
Section 1: Sensor (Electrode) Responds Slowly ..........................................................................2
Section 2: Sensor Reading is Stuck on one Value ........................................................................3
Section 4: Sensor Error ...............................................................................................................5
Section 5: ORP Reading is Unstable ............................................................................................7
1
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Table of Contents
Related Manuals for IWAKI AMERICA Walchem WM1
Summary of Contents for IWAKI AMERICA Walchem WM1
- Page 1 CAUTION: There are live circuits inside the controller even when the power switch is in the OFF position! Servicing and troubleshooting the controller must be performed by Qualified Service Personnel. WM1, WIND, W100, W600, W900: ORP Sensor Troubleshooting Guide (Electrode and Housing) Table of Contents Section 1: Sensor (Electrode) Responds Slowly ................2 Section 2: Sensor Reading is Stuck on one Value ................3...
- Page 2 CAUTION: There are live circuits inside the controller even when the power switch is in the OFF position! Servicing and troubleshooting the controller must be performed by Qualified Service Personnel. Section 1: Sensor (Electrode) Responds Slowly Step 1: The pH or ORP electrodes require periodic cleaning and calibration. These electrodes are like batteries and their voltage outputs will change with time even if they are not being used.
- Page 3 CAUTION: There are live circuits inside the controller even when the power switch is in the OFF position! Servicing and troubleshooting the controller must be performed by Qualified Service Personnel. Section 2: Sensor Reading is Stuck on one Value Step 1: ...
- Page 4 CAUTION: There are live circuits inside the controller even when the power switch is in the OFF position! Servicing and troubleshooting the controller must be performed by Qualified Service Personnel. Section 3: Sensor Reads Low or High Versus a Calibrated Handheld Meter;...
- Page 5 CAUTION: There are live circuits inside the controller even when the power switch is in the OFF position! Servicing and troubleshooting the controller must be performed by Qualified Service Personnel. Section 4: Sensor Error Step 1: Perform a self-test for this sensor input. ...
- Page 6 CAUTION: There are live circuits inside the controller even when the power switch is in the OFF position! Servicing and troubleshooting the controller must be performed by Qualified Service Personnel. Step 3: Check the sensor cable, sensor extension cable (if installed). Make sure you are using shielded sensor cable, 3 twisted pair wire.
- Page 7 CAUTION: There are live circuits inside the controller even when the power switch is in the OFF position! Servicing and troubleshooting the controller must be performed by Qualified Service Personnel. Section 5: ORP Reading is Unstable Step 1: The ORP reading is unstable when the the ORP sensor is placed in the system water.
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