Mitsubishi Electric Q172CPU Programming Manual page 213

5 POSITIONING DEDICATED SIGNALS
(6) CLEAR request status storage register (D1445) ... Monitor device
(a) When the control program specified in the CLEAR request control program
No. setting register (D707) is cleared normally, "1" is set.
(b) If an error occurs in CLEAR of the clear control program specified in the
CLEAR request control program No. setting register (D707).
1) A minor error "the program number ended by CLEAR is outside the
range of 1 to 1024". (Error code: 619)
2) A minor error "the program number ended by CLEAR is nor registered.
Or, the axis designation program is cleared". (Error code: 620)
(c) "0" is set in the CLEAR request control program No. setting register (D707),
"0" is also set in the CLEAR request status storage register.
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