Sega AV F-ZERO AX, Owner'S Manual

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【MESSAGE】 Er01: RAM Error
【CAUSE】 There is a problem with the RAM on the drive board.
【COUNTERMEASURES】 If the error persists after turning the power off and on again,
send the board to be repaired.
【MESSAGE】 Er02: ROM Error
【CAUSE】 There is a problem with the ROM on the drive board.
【COUNTERMEASURES】 If the error persists after turning the power off and on again,
send the board to be repaired.
【MESSAGE】 Er03: Interrupt Error
【CAUSE】 There is a problem with an interrupt on the drive board.
【COUNTERMEASURES】 If the error persists after turning the power off and on again,
send the board to be repaired.
【MESSAGE】 Er20: Starting Point Error
【CAUSE】 The motor's starting point cannot be found.
【COUNTERMEASURES】 Check to see if there are any objects impeding the motor's
movement and then turn the power off and on again.
【MESSAGE】 Er22: Centering Error
【CAUSE】 One or more variable resistor values are not changing correctly.
【COUNTERMEASURES】 Check to make sure the VR values are correct.
【MESSAGE】 Er23: Encoder Error
【CAUSE】 Error in the encoder data.
【COUNTERMEASURES】 Check all the wiring to the encoder.
【MESSAGE】 Er24: Excess Current Error
【CAUSE】 The motor experienced excess current flow.
【COUNTERMEASURES】 Check to see if there are any problems with the wires connected
to the motor.
【MESSAGE】 Er25: Overload Error
【CAUSE】 The motor's thermal element was activated.
【COUNTERMEASURES】 Wait for the temperature to cool and then turn the power off and
on again.