Graviman Manual Download

Transcript
7.1.6 EX_1_screw_2_over_current
Meaning:
Channel ‘2’ reporting screw-feeder speed controller malfunction.
Possible causes:
1.
Material overflow in the holding tank. Make sure the system is not flooding
the tank with material.
Action:
1.
Check and tune the tank sensor (see section 6.1).
2.
Call a qualified technician.
7.1.7 EX_1_LOW_PLC_battery
Meaning:
PLC memory backup battery is low on charge. If it is not replaced in time, the PLC could lose
its program and memory contents.
Action:
1.
Replace the PLC memory backup battery
7.1.8 EX_1_on_GRAV_1_off
Meaning:
The extruder is working and the gravimen selector switch <close>
Possible causes:
1. graviman selector switch is <close>
2.
the extruder is off but EX_1_ON bit is on
Action:
1. turn the graviman switch to <auto>
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