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Appendix 5.4 When The Temperature Adjustment Ready Flag(X1) Is Not Turned On; Appendix; When The Write Data Error Flag (X2) Is On; When The H/W(Hardware) Error Flag (X3) Is On - Mitsubishi Electric MELSEC-A Series User Manual

Temperature control module, temperature control module with heater disconnection detection function (hardware)
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Appendix 5.4 When the temperature adjustment ready
Check if the watchdog timer error
(X0) is on.
Check if there is an error in the PC.
Appendix 5.5 When the write data error flag (X2) is ON
Check if a write data error has oc-
curred.
Appendix 5.6 When the H/W(hardware) error flag (X3) is ON
Appendix 5.7 When the alert flag (XC to XF) is ON
Check if the measurement tem-
perature error/alert set value is ex-
ceeded the allowable range.
Check if a wire breakage is de-
tected.
flag(X1) is not turned ON
Check item
Check item
Check item
Check item
A-11
Corrective action
Reset the PC CPU or turn the power off
l
and on.
Replace the A1S64TC.
l
Take steps by referring to the user's
l
manual of the used CPU.
Corrective action
Check the error code summary in ap-
l
pendix 4, then modify the sequence pro-
gram.
Corrective action
Hardware error of the A1S64TC.
l
Please return it to the nearest dealer or
branch office.
Corrective action
Check the buffer memory addresses 5H
l
to 8H, then take steps depending on the
contents.

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