Checking The Last Error Code - HTC 270 EG Manual

HTC 270 EG
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,
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
OCF Excess current
OHF Overheating
IFx/EEF Internal error
SCF Short circuit or earth fault
involving the motor
tnF Auto-tuning fault
2.0
Action
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.
Open the control cabinet and ventilate. Check the filter and the
cooling fans in the cabinet. Let the frequency converter cool
down before restarting.
Contact HTC Service Centre
Check the motor's cables and connections.
Check the motor's cables and connections.
Electronic error codes
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