1Error list
Error no. H0093
1-6
H0093 Error message Safety relay fuse is blown.
Cause 1) Safety relay fuse is blown.
2) Investigate and correct the ground fault or short circuit portion in the wiring made by the customer.
Then, replace the fuse inside the controller. Refer to Page 60, "Fig.2-3 ： Fuse (F8) exchange place
(CR750/CR751 controller)" for details. (On details of the fuse, contact the manufacturer.)
Measures Change fuse.
H0094 Error message The overcurrent in the T/B line.
Cause 1) The overcurrent in the T/B power supply line was detected.
2) The fuse (4A fuse) installed at the bottom of the 24 V power supply circuit in the controller may have
blown out. For the fuse blowout, the emergency stop made by the customer may be the cause, or there
may be a ground fault or short circuit with the 24 V power supply in the wiring of a door switch, enabling
device, etc.
Measures 1) Contact to the dealer.
2) Investigate and correct the ground fault or short circuit portion in the wiring made by the customer.
Then, replace the fuse inside the controller. Refer to Page 60, "Fig.2-3 ： Fuse (F8) exchange place
(CR750/CR751 controller)" for details. (On details of the fuse, contact the manufacturer.)
H0095 Error message Brake release switch is turning on.
Cause Cannot execute while brake release switch is turning on.
Measures Please check the brake release switch and turn it off.
H0097 * Error message Abnormal MC status
Cause The duplex magnetic contactor status signal status is not consistent.
Measures The status of the duplex system for the magnetic contactor (MC) is not consistent. After turning OFF the
power, turn ON the power again to reset the error. If the same error recurs, contact the manufacturer.
H0098 * Error message Abnormal SR status
Cause The duplex safety relay status signal status is not consistent.
Measures The status of the duplex system for the safety relay (SR) is not consistent. After turning OFF the power,
turn ON the power again to reset the error. If the same error recurs, contact the manufacturer.
H0099 Error message Servo version is illegal **
Note) The correct version of servo software is shown in "**".
Cause Servo software with an old version is installed.
Measures Change to the correct version of servo software is necessary. Refer to separate "Instruction Manual/
Detailed Explanation of Functions and Operations" for details of upgrading the servo software.
H0100 * Error message Temperature in the Controller is too high
Cause The intake fan is not operating, or the fan filter is clogged.
Measures Check the operation of the intake fan, or clean or replace the fan filter if necessary.
Confirms that the environmental temperature is the specification range.
When it comes back, contact to the dealer.
L0101 Error message Temperature in the Controller is too high
Cause The intake fan is not operating, or the fan filter is clogged.
Measures Check the operation of the intake fan, or clean or replace the fan filter if necessary.
Confirms that the environmental temperature is the specification range.
When it comes back, contact to the dealer.
C0102 Error message Temperature in the Controller is too high
Cause The intake fan is not operating, or the fan filter is clogged.
Measures Check the operation of the intake fan, or clean or replace the fan filter if necessary.
Confirms that the environmental temperature is the specification range.
When it comes back, contact to the dealer.
C0120 * Error message Instantaneous power failure
Cause The power was OFF for 20msec or more
Measures Check the power supply connection and power supply state
H0130 * Error message The initialization connection error of system remote I/O.
Cause Communication line of System Remote I/O is illegal
Measures Confirm whether the communication cable is grounded correctly or connection correctly.
In CR7xx-Q controller, turn on the switch of the drive unit, then of the robot CPU when turning the power
ON.
Error No. Error cause and measures
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