4/Tests and Troubleshooting
4-14 1503-0151-000 5/26/0
Pressure Limit Switch FAIL Instructions:
Go to the Discrete I/O signal menu and check the DPL (Drive Pressure Limit)
switch status. Disconnect pressure switch tubing from manifold and apply 104
±
4
cmH2O to activate switch and verify switch status. If signal status does not agree
with switch status, disconnect J8 on microcontroller board and measure resistance
to determine function of switch.
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