Tuttnauer 2540 EHS, Руководство техника

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97
Corrections
20.1
If the float will not move freely then replace it
20.2
Unplug and replug the connectors to insure a good connection. Fix and broken wires.
20.3
If the float movement does not show a change in the meter reading then replace the float.
20.4.1
Unplug the FC37P cable connecting the ANL-T2 and the DIG-T2. Inspect all connectors for bent pins. Make sure the flat cable’s connectors are in good condition. Reconnect the cable.
20.4.2
Replace the ANL-T2 board
20.4.3
Replace the DIG-T2
Possible cause check-up and tests
20.1
Check if the float moves up and down freely.
20.2
Check that the wires and connectors at the float and the connector at JP11 and JP12 on the ANL-T2 and the four pin DC connector plugged into the back of the electronic box are connected securely.
20.3
Disconnect the wires of the float switch and check with an ohmmeter. Move the switch up and down and observe that the meter shows an open and closed circuit
20.4
If previous checks are OK the problem could be on the ANL-T2 or DIG-T2 boards.
10. TROUBLESHOOTING
(cont.)
10.4
In Process Malfunction
(cont.)
Symptom
20.
The float switch in the water reservoir is always ON or OFF.