1-5
Error no. H0083 *
1Error list
H0083 * Error message Fuse is broken (hand input power)
Cause 1) The pneumatic hand's power fuse has broken. Possibly the power supply line of the hand input/output
signal short-circuited.
2) If any other error occurred simultaneously, the fuse (4 A fuse, model: LM40) 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) Confirm that the hand input/output cable is connected correctly. Exchange the fuse. Refer to the Page
58, "Fig.2-1 ： Pneumatic hand’s power fuse and brake fuse exchange place (CR750/CR751 controller)"
for details.
If the error recurs after replacing the fuse, contact the manufacturer.
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.)
H0084 * Error message Fuse is broken (O/P)
Cause The operation panel's power fuse has broken.
Measures Exchange the fuse.
H0086 Error message Hand module overcurrent
Cause The motorized hand's motor or circuit board has broken.
Measures Exchange the motorized hand's motor or circuit board.
H0087 Error message Fuse is blown.(Brake)
Cause 1) A brake failure or a ground fault of brake cable may have caused the error.
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) There are two brake fuses. Replace both the fuses.
2) After the ground fault is removed from the wiring, replace the fuse (4 A fuse, model: LM40) for the 24 V
power supply in 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.)
H0088 Error message Service I/F fuse error
Cause 1) In SQ series, when the power supply of robot CPU is turned on, the drive unit has not started.
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.
3) In CR7xx-Q controller, the power on timing may be incorrect.
Measures 1) The order which turns on the power supply should turn on the power supply of robot CPU, in the
condition that the drive unit is started previously.
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.)
3) In CR7xx-Q controller, turn on the switch of the drive unit, then of the robot CPU when turning the
power ON.
H0090 Error message DC24V fuse is blown.
Cause 1) DC24V fuse is blown.
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) Change fuse.
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.)
L0091 Error message Can't access the Special signal
Cause The dedicated output signal is assigned to the specified signal. This signal cannot be used in duplicate.
Measures Confirm whether the same dedicated output number is assigned to the separate dedicated output signal.
Change the output No., or change the dedicated output assignmen
t parameter.
Error No. Error cause and measures
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