Yokogawa PC-Based MX100 - Manual (Page 73)

3-1
IM MX100-01E
Troubleshooting and Maintenance
3
2
1
4
5
Index
Chapter 3 Troubleshooting and Maintenance
3.1 Error Display on the 7-Segment LED and
Corrective Actions
The main module has a two-digit 7-segment LED as shown in the figure below. The
7-segment LED displays the system status. This section describes the displays on the
7-segment LED when errors occur on the system and their corrective actions. For normal
displays other than errors, see “Contents Displayed on the 7-Segment LED” in section 1.2.
7-segment LED
DATA ACQUISITION UNIT
ETHERNET
POWER
10BASE - T
100BASE - TX
100 - 240V AC
Do not operate without reading safety precaution in users manual.
70VA MAX
50/60Hz
SW ON
1 2 3 4 5 6 7 8
If servicing is necessary, or if the instrument is not operating correctly after performing
the corrective actions below, contact your nearest YOKOGAWA dealer.
Errors at Power ON
The left and right digits of the 7-segment LED display “b” and an error code, respectively.
The LED illuminates.
Probable Cause Corrective Action Ref. Page
The display is b* (where * is any character
other than F). The dip switch settings are not
correct.
Turn OFF the power, eject the CF card, turn ON all dip switches,
and start up again. If the situation does not change servicing is
required.
2-27
The display is bF.
The dip switch settings are not correct.
Powering up in setup reset mode. Turn OFF the power, turn ON
all dip switches, and power up again. Since all settings such as
the IP address are initialized, reconfiguration is necessary.
2-23
System Errors
The left and right digits of the 7-segment LED display “F” and an error code, respectively.
The LED illuminates.
Display Probable Cause Corrective Action Ref. Page
F0 System ROM error. Servicing required. -
F1 SRAM error Servicing required. -
F2 EEPROM error Servicing required. -
F3 Error in the internal battery of the
main module.
Servicing required.
However, this error is also displayed immediately after the battery
is replaced. If this happens, power-cycle the MX100.
-
F4 Ethernet controller error Servicing required. -
F5 Internal data error
(only when the /DS option is enabled)
Servicing required. -