1Error list
Error no. H0051
1-4
H0051 Error message Wiring of the external emergency stop is abnormal.
Cause If the emergency stop of T/B turns on, this error may occur simultaneously.
Measures Turn OFF the power supply.
Confirm whether there is any problem in wiring of the external emergency stop switch. And, please confirm
whether it is wiring of the dual line. Refer to the “Examples of safety measures” given in separate
“Standard Specifications Manual” for external emergency stop switch wiring. Turn on the power supply
again after checking.
H0053 Error message EMG signal is input.(Add.Axis2)
Cause The external emergency stop to addition axis amplifier is inputting.
Measures Check the emergency stop of Additional Axis servo amp. Or the EM1 (forced outage) line of the addition
axis may be open. Please confirm connection. In addition, the External Emergency Stop 1 and 2 are sepa
-
rated. The "External Emergency Stop 1" is for I/F card, and the "External Emergency Stop 2" is for main
device of the amplifier
H0060 One of the errors below is detected.
Please take measures corresponding to an error message.
Error message EMG signal is input. (O.Panel)
Cause 1) The operation panel emergency stop is being input.
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) Cancel the operation panel emergency stop.
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.)
H0061 Error message EMG line is faulty.(0.Panel)
Cause The emergency stop line isn't stable.
Measures Confirm whether there is any problem in wiring of the external emergency stop switch. And, please confirm
whether it is wiring of the double line. Refer to the "Examples of safety measures" given in separate
"Standard Specifications Manual" for external emergency stop switch wiring. Turn on the power supply
again after checking.
H0070 Error message EMG signal is input. (T.Box)
Cause EMG signal is input. (T.Box) Or when using the UL specification, the brake release switch is turning ON.
Measures Cancel the T/B emergency stop. Check the emergency stop switch of teaching pendant.. Or when using
the UL specification, turn OFF the brake release switch.
If the alarm cannot be canceled, check the fuse of the safe unit (TZ348). If the fuse broke off, exchange
new fuse.
H0071 Error message EMG line is faulty.(T.Box)
Cause The emergency stop line isn't stable.
Measures Confirm whether there is any problem in wiring of the external emergency stop switch. And, please confirm
whether it is wiring of the double line. Refer to the "Examples of safety measures" given in separate
"Standard Specifications Manual" for external emergency stop switch wiring. Turn on the power supply
again after checking.
H0074 Error message Faulty line (T/B Enable/Disable).
Cause The state of doubled line is not matching (T/B Enable/Disable).
Measures Confirm whether T/B is connected correctly. If it comes back, contact to your service provider.
H0075 Error message TB communication error
Cause Communication between the RC and TB was cut off.
Measures If it comes back, contact your service provider.
Error No. Error cause and measures
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