Walchem WebMaster Instruction Manual download pdf (Page 161)

157

Output Time Out

This error message indicates that the relay output has been activated for an amount of time that

exceeds the user-programmed maximum allowable time. The output relay will be forced off until

the “Reset Timeout” button found in that Relay Output Page is clicked.

Possible Causes Corrective Actions

Maximum time is set too low for Go to the Relay Output Page and increase the

normal circumstances programmed value for the maximum time.

Process value was higher/lower than Go to the Relay Output Page and increase the

normal. programmed value for the maximum time until

the process value is brought back down to

normal levels.

Control direction is set incorrectly. Go to the Relay Output Page and check the

setting for the control direction.

Faulty control device attached to relay. Repair or replace control device.

Relay is interlocked when it should not. Evaluate switch for Interlock.

Fuse blown. Replace fuse (F2 or F3).

Faulty wiring of control device. Correct wiring.

Faulty relay. Replace the relay interface board.

You are feeding based on flow meter volume, Go to the Flow Meter Input Page and verify

and you are getting false contacts. that the flow total is increasing even when the

solution is not flowing.

Disconnect the flow meter cable from the

controller and verify that the flow total stops

increasing. Route the flow meter cable away

from any AC voltage and make sure that the

cable is shielded.

Faulty Sensor. Clean and calibrate the electrode as described

in Section 7 above. If the calibration fails,

see troubleshooting for sensor calibration

failure.

Chemical supply is empty. Refill chemical supply.

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Walchem WebMaster Instruction Manual Page 161