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0 items

Fault Screen "Hit Enter" "Open Failure"

The drain valve has been told to open but after 30 seconds the drain open switch has failed to open the drain.

Possible Causes:

Wires on the drain valve have become disconnected. Unplug the instrument, check the drain valve and reattach any loose wires. Check blue wire (I1), yellow wire (I2), black wire (4),and red wire (4). See DELTA Service Procedure 26.

The drain valve or the drain open/close switch is not operating. When the instrument is turned on, the red light on relay #6 should be lit (See DELTA Service Procedure 26). At that time you should hear the drain valve opening. After 10 seconds, the drain valve will close. If the drain valve is not operating, it will need to be replaced. If the drain valve is operating but does not stop, then the open/close switch is not being detected by the computer. Unplug the instrument and check the drain valve for any loose wires.

Related Documents: 

Drain Valve View Internal

AttachmentSize
PDF icon DES026_Drain_Valve_View_Internal.pdf1.32 MB

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