Motoman PX2750, Manual

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10.3 Alarm Message List
10-44
4454 UNDEFINED
WELDER CONDI-
TION FILE
[Decimal Data] The welder condition data file was not set. Set the welder condition data file.
4455 UNDEFINED ARC
START COND FILE
[Decimal Data] The arc start condition file was not set. Set the arc start condition file.
4456 UNDEFINED ARC
END COND FILE
[Decimal Data] The arc end condition file was not set. Set the arc end condition file.
4457 WRONG WELDER
SELECTION
[Decimal Data] The arc voltage command units didn't match
the welder power supply (individual, uni-
fied). Match the arc voltage command units.
4458 EQUATION EXCEP-
TION ERROR
[Decimal Data] When executing equation of SET instruc-
tion, the item of the equation which couldn't
be executed was attempted. • Reset the alarm and repeat the opera-
tion.
• If the error occurs again, operate the fol
lowing procedure:
#
Delete the command that caused the
alarm and register again.
&
Delete the job that caused the alarm
and register again.
4459 EXCESSIVE
INSTRUCTION
EQUATION
[Decimal Data] An equation was too long. Divide up the equation to reduce its
length.
4460 ZERO DIVIDED
OCCURRENCE
[Decimal Data] A division by zero was attempted. Set not to divide by zero.
4461 UNDEFINED AUTO
WELD RELEASE
COND
[Decimal Data] Number of automatic sticking release
attempts was set to zero in the arc auxiliary
file. Set the number of automatic stickin
release attempts and repeat the opera
tion.
4462 UNDEFINED POSI-
TION FOR ARC
RETRY
[Decimal Data] Arc retry was set but no move instruction
exists after ARCON. Set a move instruction after ARCON.
4463 PARITY ERROR General I/O group parity error. Stop parity error from occurring.
4464 OVER BCD RANGE • An attempt was made to output a value
which exceeded the maximum BCD value
limit of 99 (decimal) without parity or 79
(decimal) with parity.
• An attempt was made to read data which
couldn't be represented as BCD (most-or
least-significant 4 bits are 9 or above) to a
variable.
• Reset the data in the permitted range.
• Check the designated data (BCD/binary
and parity check.
4465 OVER BINARY
RANGE
(PARITY CHECK) An attempt was made to output a valu
exceeding 127(decimal) while the parity
check was designated. • Reset the data in the permitted range.
• Review the parity check.
Alarm Message List
Alarm
Number
Message Cause Remedy