Data Status (Green Led) Light Not Lit - Veris 3150 MSP3 Operating Instructions Manual

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-Replace fuse F2 with supplied cylindrical fuse. Part #8496
-Check all power connections and check cables for damage before turning on pH controller.
-Turn off pH controller.
-Remove cover from pH controller.
-Replace fuse F1 with supplied miniature fuse. Part #22611
-Check all power connections and check cables for damage before turning on pH controller.
In manual mode, red LED (D4, D7, or D9) lights but green LED (D5, D6, D8) does not light when
switch is thrown for wash or hydraulics up/down...
-Relay supplying power to the water pumps or up/down solenoid is not receiving power
-The relay or another component on the board may be damaged and the pH controller needs to be
returned for repair. Contact Veris service department (785) 825-1978
In manual mode, red LED and green LED light when switch is thrown for wash or hydraulics
up/down but water is not sprayed or the sampling shoe does not move...
-The relay supplying power to the water pumps or up/down solenoid is functioning normally.
-Ensure that all pumps and solenoids are connected.
-See Section 2 above and follow troubleshooting flowchart.
11. No GPS or DGPS on display
Perform Maintenance and Service Procedure #6.

12. Data status (green LED) light not lit

-check GPS status: must have GPS, DGPS, or RTK
-check EC status: EC values must be positive
-Unit must be moving to send data out port
Power is turned on but only LEDs D1 and D2 are lit...
6-26
Pub. # OM20-MSP3-3D

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