HTC 270 EG, Manual

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HTC 270 EG Electronic error codes
2.0 37
4. Start the machine by turning the Power knob to "I".
Tip!
The machine will not start if the Grinding knob is in the "FWD" position when
switching on the power.
7.2.2 Checking the last error code
For the buttons and knobs described here, see Figure 7-1, page 37
1. Press Enter. rEF is shown in the display.
2. Turn the knob counter-clockwise, until non is shown in the display.
3. Press Enter. rEF is shown in the display.
4. Turn the knob counter-clockwise, until nA1 is shown in the display.
5. Press Enter. LIS1 is shown in the display.
6. Turn the knob counter-clockwise, until dP1 is shown in the display.
7. Press Enter. The last error code is shown in the display.
Figure 7-1. Enter button and knob - Schneider
7.3 Schneider Electric ATV312
Error code Cause Action
OCF Excess current The machine is running too fast or with too great a load. Lower
the speed, lower the load by changing the position of the
weights and check your tools. Check mechanical inertia, spin
the grinding discs.
OHF Overheating Open the control cabinet and ventilate. Check the filter and the
cooling fans in the cabinet. Let the frequency converter cool
down before restarting.
IFx/EEF Internal error Contact HTC Service Centre
SCF Short circuit or earth fault
involving the motor Check the motor's cables and connections.
tnF Auto-tuning fault Check the motor's cables and connections.