Yokogawa PC-Based MX100 - Manual (Page 61)

5-1
IM MW180-01E
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App
Index
Troubleshooting
5.1 Troubleshooting
If servicing is necessary, or if the instrument is not operating correctly after performing
the corrective actions below, contact your nearest YOKOGAWA dealer for repairs.
The 7-segment LED does not illuminate.
Probable Cause
Corrective Action/Description Reference Page
The power switch is not ON. Turn ON the power switch. *
The supply voltage is too low. Check whether the voltage is within the supply voltage *
rating range.
The fuse is blown. Servicing required. -
The power supply is broken. Servicing required. -
* See the MW100 Data Acquisition Unit User’s Manual (IM MW100-01E).
The 7-segment LED blinks repeatedly.
Probable Cause
Corrective Action Reference Page
The power supply is shorted inside Remove the module one by one and determine which module is *
the input/output module. broken. (Servicing required.)
The power supply is shorted inside Replace the main module. *
the main module. (Servicing required.)
* See the MW100 Data Acquisition Unit User’s Manual (IM MW100-01E).
After power up, the 7-segment LED displays something other than (when the unit number is 00).
Probable Cause Corrective Action/Description Reference Page
The display is b* Turn OFF the power, remove the CF card, turn ON all *
(* is any character other than F). dip switches, and power up again. If the situation does not
The dipswitch settings are not correct. change, servicing is required.
The display is bF.
Powering up in setup reset mode. Turn OFF the power, *
The dipswitch settings are not correct. turn ON all dip switches, and power up again.
Since all settings such as the IP address are initialized,
reconfiguration is necessary.
The display is F* Servicing required. -
(where * is any character).
Hardware error on the main module.
The display is U*
The slot number is indicated by * in the n* display following the E* *
(where * is any character). display.
Hardware error on the input/output Remove the relevant module and power up again.
module. The relevant module must be serviced.
* See the MW100 Data Acquisition Unit User’s Manual (IM MW100-01E).
Chapter 5 Troubleshooting