HTC 500
Electronic error codes
1.0 31
Error code Cause Action
E21 Excess temperature See E08.
E22 Internal processor error Contact HTC Service Centre.
E30 Internal communications error Contact HTC Service Centre.
7.2.1. Resetting the frequency converter
• Press and hold the "RESET" button in for two seconds.
7.2.2. Checking the last error code
1. Press FUNC, D01 is shown in the display.
2. Press "arrow up", until D08 is shown in the display.
3. Press FUNC, the error code is shown in the display.
4. Press FUNC again, the current frequency is shown in the
display.
5. Press FUNC once again, the motor voltage is shown in the
display.
6. Press FUNC once again, the voltage of the DC bus is
shown in the display.
• Press "arrow up", until D09 is shown in the display, in
order to see the previous error codes.
7.3. Omron MX2
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.
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