Graco 24N767, Инструкция по эксплуатации

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Troubleshooting
3A2806A 19
Troubleshooting
Problem Cause Solution
Level sensor is not sensing
material when material is
present. Level sensors out of calibration. Calibrate level sensor.
Replace level sensor.
Intermittent electrical connections. Ensure the system main power is ON.
Ensure all electrical connections to the level
sensor are secure. See electrical schematic
in either the HFR or VRM Repair-Parts man-
ual.
FCM errors. Check FCM. A red LED indicates a problem
with the module. See electrical schematic in
either the HFR or VRM Repair-Parts man-
ual.
Replace FCM.
Level sensor is sensing
material when material is
not present. Level sensors out of calibration. Calibrate level sensor.
Replace level sensor.
Level sensors blocked inside reser-
voir. Check inside reservoir to ensure there is
nothing blocking the level sensor.
Intermittent electrical connections. Ensure the system main power is ON.
Ensure all electrical connections to the level
sensor are secure. See electrical schematic
in either the HFR Repair-Parts manual.
FCM errors. Check FCM circuit breaker in base cube to
see if it has tripped. See electrical sche-
matic in either the HFR or VRM
Repair-Parts manual.
Check FCM. A red LED indicates a problem
with the module. See electrical schematic in
either the HFR or VRM Repair-Parts man-
ual.
Replace FCM.