Graco 24G952 Instructions - Parts Manual page 26

Troubleshooting
Problem
Tank is overfilling.
System is not circulating
material.
26
Cause
Level sensors out of calibration.
Level sensors blocked inside tank.
Intermittent electrical connections.
Material hoses incorrectly con-
nected.
Material hose leakage.
Solution
Calibrate level sensors.
Replace level sensor.
Check inside tank to ensure there is nothing
blocking the level sensor.
Ensure all electrical connections to the air
solenoid valve are secure. See electrical
schematic in either the HFR or VRM
Repair-Parts manual.
Ensure the system main power is ON.
Check FCM. A red LED indicates a problem
with the module. See electrical schematic in
either the HFR or VRM Repair-Parts man-
ual.
Check tank stand circuit breaker in GMS
power distribution box to see if it has
tripped. See electrical schematic in either
the HFR or VRM Repair-Parts manual.
Ensure the main air to tank connections are
secure.
3A1299K