Troubleshooting
3A1299K
25
Tank is not refilling.
Air solenoid valve not operating.
Ensure the air solenoid valve is operating by
removing the outgoing air line to determine if
air is flowing.
Replace air solenoid valve.
Leaking or damaged air lines.
Ensure the main air to tank connections are
secure.
Ensure the air lines from the air solenoid
valve to the fill valve or feed pump are
securely connected and that there are no
leaks.
Intermittent electrical connections.
Ensure all electrical connections to the air
solenoid valve are secure. See electrical
schematic in either the HFR or VRM
Repair-Parts manual.
Level sensors out of calibration.
Calibrate level sensor.
Check inside tank to ensure there is nothing
blocking the level sensor.
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 level sensor.
Replace FCM.
Supply/feed system is off or empty.
Check the material supply feed to the tank.
Replace fill valve.
Replace feed pump.
Problem
Cause
Solution