Electronic error codes HTC 800 Classic
24 1.0
7 Electronic error codes
7.1 General Information
In the event of an error, the error code is shown in the display. The most common error
codes that may occur on the frequency converter, in the control cabinet, are listed below.
In the event of other errors, contact the HTC Service Centre.
7.2 Hitachi SJ700
Error
code
Cause Action
E01 Excess current at constant
speed.
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.
E02 Excess current during
deceleration.
See E01
E03 Excess current during
acceleration.
See E01
E04 Excess current under other
conditions
See E01
E05 Overload See E01
E08 Internal EEPROM error due to
overheating or interference
Open the electrical cabinet and allow to cool. Check the filter
and the cooling fans in the cabinet. Let the frequency
converter cool down before restarting.
E09 Under-voltage. The connection cable is too long, poor connection or too
many consumers connected to the mains. Change socket, use
shorter cables and lower the speed.
E10 Internal current supply error Contact HTC Service Centre.
E11 Internal processor fault Reset the electronics using the Reset procedure.
E13 Anti-restart switch tripped Check the operation when starting the machine, see
Operation, page 18.
E14 Earth fault Check the motor's cables and connections.
E15 Excess voltage Mains voltage too high or disturbance in the mains supply.
Check the supply voltage, change socket.
E21 Excess temperature See E08.
E22 Internal processor error Contact HTC Service Centre.
E30 Internal communications error Contact HTC Service Centre.
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