1Error list
Error no. H154n * (n indicates the axis number (1 to 8).)
1-18
H154n *
(n indicates the
axis number (1
to 8).)
Error message Communication error between units
Cause The transmission data between servo amplifier units is illegal
Measures Check the communication cable connection and conductivity
H1550 * Error message Emergency stop is a breakdown
Cause The external emergency stop input is illegal
Measures Turn the power OFF and ON once. When it comes back, contact to the dealer.
H156n
(n indicates the
axis number (1
to 8).)
Error message Excessive error 4
Cause The axis moved while executing servo ON processing.
Measures If it comes back, contact your service provider.
H157n
(n indicates the
axis number (1
to 8).)
Error message Non-registered servo error. (This error may be caused by the error on the amplifier for additional axis.)
Cause A non-registered servo alarm occurred.
Measures Confirms the code by LED of servo additional axis amplifier, and refer to the instruction manual of servo
amplifier.
If the alarm cannot be reset, turn the power OFF and ON. If it comes back, contact your service provider.
C158n
(n indicates the
axis number (1
to 8).)
Error message Non-registered servo warning. (This caution may be caused by the warning on the amplifier for additional
axis.)
Cause A non-registered servo warning occurred.
Measures Confirms the code by LED of servo additional axis amplifier, and refer to the instruction manual of servo
amplifier. If the alarm cannot be reset, turn the power OFF and ON. If it comes back, contact your service
provider.
H1600 * Error message Mechanism un-setting.
Cause The mechanism is not set up.
Measures Set up one or more of mechanism. If this alarm occur after the restoring the data of controller check the
restored data. If it comes back, contact your service provider.
H1610 * Error message System error (illegal MEMECH)
Cause The mechanism module name is illegal or not registered.
Measures Correctly set. If it comes back, contact your service provider. If it comes back, contact your service
provider.
C1620 Error message Illegal robot No.
Cause When specifying the mechanism number by the external communications protocol, the mechanism number
not existing was specified.
Measures Specify the existing mechanism number.
C1630 Error message Cannot servo ON (during error)
Cause The servo cannot be turned ON during a servo error.
Measures Reset the servo error before turning the servo ON.
C1640 Error message Cannot servo ON (DEADMAN OFF)
Cause The servo cannot be turned ON while the enable switch is OFF.
Measures Turn the enable switch ON before turning the servo ON.
C1650 Error message Cannot servo ON (brake OFF)
Cause The servo cannot be turned ON when there is an axis with the brakes released.
Measures Lock the brakes for all axes before turning the servo ON.
C1660 Error message Cannot servo ON (SRVON process)
Cause The servo cannot be turned ON during the servo ON process.
Measures Operate it after servo ON process is finished.
C1670 Error message Cannot servo ON (SRVOFF process)
Cause The servo OFF process is being carried out.
Measures Operate it after servo OFF process is finished.
Error No. Error cause and measures
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