MAINTENANCE
11
Table 5-1 X-Y THC error messages
* Error Messages for the RS-422 serial interface are the same as for the Pendant except they are preceded by ERR -.
Error Messages for the RS-422 serial interface are cleared by using the CL command.
CommandTHC for X-Y Table Instruction Manual 5-9
Error Message* Clear Error Description of Error Corrective Action
Diag FAIL Repower
Torch inhibited from reaching
Home Limit position during
diagnostic test.
• Place THC in Manual Position Mode and jog torch to Home
position to activate switch.
• On THC control PCB, Motor Drive Interface, D49 should
illuminate.
Diag FAIL Repower
Torch inhibited from reaching
Lower Limit position during
diagnostic test.
• Place THC in Manual Position Mode and jog torch to Home
position to activate switch.
• On THC control PCB, Motor Drive Interface, D50 should
illuminate.
Diag FAIL Repower
Encoder failed during diagnostic
test.
• Repower THC.
• Check encoder.
• Verify torch is not blocked from moving.
IOP CHECKSUM FAIL
Press <SHIFT-
H>
Changed firmware. This error will
occur one time after upgrading
firmware.
• Clear error by pressing <SHIFT-H> on pendant.
RTP CHECKSUM FAIL
Press <SHIFT-
H>
Changed firmware. This error will
occur one time after upgrading
firmware.
• Clear error by pressing <SHIFT-H> on pendant.
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