
EDIT.
SHEET
DRAW. NO.
CUST.
TITLE
27
DESCRIPTIONDESIG.DATE
-80050E
MS E0 E1 E2 Error’s name Description Countermeasure
○○○○
Watch-dog error
of Interface unit
Communication from
the master of I/O Link
was interrupted.
The master is wrong, or
the master’s power is
turned off.
×○××
Peripheral error
of HMOP
HMOP is wrong. Replace HMOP.
×○○○
Watch-dog error
of HMOP
Communication with
Interface unit was
interrupted.
The above errors have the possibility that it occurs by the contact defect of the cable, the breakage or
the manufacture defect, too. And, the errors have the possibility that they occur by the noise, too. In
this case, confirm the connection of the cable, the treatment of shielding and grounding according to
the connection material. And, refer to the "Countermeasures against noise" of the manual of NC, too.
3. Error message
Following error message is displayed on LCD of HMOP when error occurs.
Message Description Countermeasure
SYSTEM ERROR:001
(CPU WATCHDOG)
The firmware of HMOP
terminated by the
malfunction
Replace HMOP.
SYSTEM ERROR:002
(ROM ERROR )
The firmware of HMOP is
broken.
Replace HMOP.
SYSTEM ERROR:003
(PCB VER. ERROR)
The combination of the PCB
and the firmware is not
correct.
Replace HMOP.
COMM. ERROR: 001
(PERIPH. ERROR )
HMOP is wrong. Replace HMOP.
COMM. ERROR: 011
(WATCHDOG ERROR)
The communication with the
interface unit got the
suspension.
COMM. ERROR: 100
(CRC ERROR )
The communication data is
incorrect.
COMM. ERROR: 101
(DMI ERROR )
The communication ripple
has fallen into disorder.
COMM. ERROR: 110
(FRAMING ERROR )
The communication end
signal is incorrect.
COMM. ERROR: 111
(DATA NUM. ERR.)
The number of
communication bytes exceeds
four bytes.
The above errors have the possibility that it occurs by the contact defect of the cable, the breakage or
the manufacture defect, too. And, the errors have the possibility that they occur by the noise, too. In
this case, confirm the connection of the cable, the treatment of shielding and grounding according to
the connection material. And, refer to the "Countermeasures against noise" of the manual of NC, too.
02 2001.8.20 Hiraga This page is added.