Troubleshooting – Winland Electronics EA400 User Manual
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D-011-0093
2.
Press the DECREASE key to go to the next stored alarm. The next alarm is
displayed as described in step 1.
3.
Press ALARM HISTORY to go back to the normal display.
4.
Clear the alarm history by pressing and holding the ALARM HISTORY key until
(Clear) is displayed, then release the key.
Troubleshooting
Operating or setup errors are displayed by flashing data on the display. Often, a
programming error will also result in an alarm for the mis-programmed Zone.
The table below shows and describes common error displays, along with corrective
action.
Troubleshooting
Error Display
Cause
Corrective Action
Flashing Zone digit and
flashing temperature read-
ing of “–50° C” or “–58° F”.
• Open connection between
sensor and EA200 / EA400
SENSOR IN connections.
• Bare wire end not properly
inserted into Terminal Block
Adapter.
• Defective sensor.
• Check connections. Make sure
any splices are OK. Make sure
Terminal Block Adapter is properly
connected to EA200 / EA400
header connector pins.
• Replace sensor as required.
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