▪ Check Triac fuse.
▪ Check all Solenoid connections.
▪ Check Solenoid.
▪ If output LEDs on the K-Factor board are off, check nozzle switch operation, the nozzle
switches are working if the Diagnostic LED flashes faster when switch is on.
▪ Select a spare Low Current Solid State Relay if the above checks are okay.
▪ Replace C5000 if fault not found.
Solenoid Not De-energising
▪ If output LEDs on the K-Factor board are on, check nozzle switch is releasing, the nozzle
switch is working if the Diagnostic LED flashes faster when switch is on.
▪ Select spare Low Current Solid State Relay.
▪ Replace C5000 if fault not found.
Preset Display Digit Flashing
▪ Check if any preset buttons are stuck in.
▪ Check wiring & condition of display plugs.
▪ Replace if fault not found.
▪ Check that the unit is communicating with the controller using the RD/TD LEDs.
▪ Check connectors are fitted correctly and free of dust.
▪ Replace if fault not found.
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