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Reference Manual
300560EN, Rev AA
May 2011
5-7
Rosemount 2230
Section 5. Service and Troubleshooting
5.3 TROUBLESHOOTING Table 5-3 provides summarized maintenance and troubleshooting
suggestions for the most common operating problems.
Table 5-3. Troubleshooting
chart for the 2230 display
Symptom Possible cause Action
No communication with the
Rosemount 2230
Wiring
• Check that wires are properly connected to the
terminals
• Check for dirty or defective terminals
• Check wire insulation for possible short circuits to
ground
• Check that there are no multiple shield grounding points
• Check that the cable shield is grounded at the power
supply end (2410 Tank Hub) only
• Check that the cable shield is continuous throughout
the Tankbus network
• Check that the shield inside the instrument housing
does not come into contact with the housing
• Check that there is no water in conduits
• Use shielded twisted pair wiring
• Connect wiring with drip loops
• Check the 2410 Tank Hub wiring
Incorrect Tankbus termination
• Check that there are two terminators on the Tankbus.
Normally the built-in termination in the 2410 Tank Hub is
enabled.
• Check that terminations are placed at both ends of the
Tankbus
Too many devices on the Tankbus
• Check that the total current consumption of the devices
on the Tankbus is less than 250 mA. See the
Rosemount 2410 Reference Manual (Document no.
305030en) for more information.
• Remove one or more devices from the Tankbus. The
2410 Tank Hub supports a single tank. The multiple
tank version of the 2410 supports up to 10 tanks.
Cables are too long
• Check that the input voltage on the device terminals is
9V or more
Hardware failure
• Check the 2230
• Check the 2160 Field Communication unit (FCU)
• Check the Field Bus Modem
• Check the communication port on the control room PC
• Contact Emerson Process Management/Rosemount
TankGauging service department
Software failure
• Restart the 2230. Use for example the Restart
command in TankMaster WinSetup.
• Restart all devices by disconnecting and connecting the
power supply to the 2410 Tank Hub
• Contact Emerson Process Management/Rosemount
TankGauging service department
Field Bus Modem (FBM)
• Check that the FBM is connected to the right port on the
control room PC
• Check that the FBM is connected to the right port on the
2160 Field Communication Unit (FCU)
Connection to 2160 FCU
• Check that the right field bus port on the 2160 FCU is
connected to the Primary bus on the 2410 Tank Hub
• Check communication port LED:s inside the Field
Communication Unit 2160 (FCU)