Manual

4-3
SM MX100-01E
Troubleshooting
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4.3 Troubleshooting Checklist
Contact your nearest Yokogawa representative if module adjustment is required.
Trouble Action Item Relevant Modules
Power not ON (LED does not light) Check Connect the power cable MX100, MW100
Check Power supply switch is not ON MX100, MW100
Check Power supply voltage is low MX100, MW100
Check/replace Wire Assy (Power-CPU)
Inlet Board Assembly
MX100, MW100
Replace Power Screw Board Assy
(fuse blown)
MX100, MW100
Replace Power Assembly MX100, MW100
Replace CPU Board Assembly MX100, MW100
Replace Memory Board Assembly MX100, MW100
Replace Driver Board Assembly MW100
Replace Display Board Assembly MX100, MW100
Check/replace Sumicard MX100, MW100
FAIL State (Error display) Check Dip switch setting MX100, MW100
Replace CPU Board Assembly MX100, MW100
Replace Memory Board Assembly MX100, MW100
Replace Display Board Assembly MX100, MW100
Replace Driver Board Assembly MW100
Check/replace Sumi-card MX100, MW100
Replace I/O Module
Check/replace CF Card MX100, MW100
Check/replace Battery
(Connectors connected, battery voltage is
3 V or less)
MX100, MW100
Check Multiple connections MX100, MW100
Cannot connect to the PC Check Ethernet Cable MX100, MW100
Check Hub MX100, MW100
Check PC (Network Card) MX100, MW100
Check Network settings
(IP address, subnet mask,
default gateway)
MX100, MW100
Replace CPU Board Assembly MX100, MW100
Replace Memory Board Assembly MX100, MW100
Replace Display Board Assembly MX100, MW100
Replace Display Board Assembly MX100, MW100
Check/replace Sumi-card MX100, MW100
Connected I/O module not detected Replace I/O Module MX100, MW100
Replace Base Plate MX100
Replace CPU Board Assembly MX100
Replace Memory Board Assembly MX100
Replace Driver Board Assembly MX100, MW100