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SECTION 7
Troubleshooting and Maintenance
This section describes the action to take when errors occur in the PT, and how to carry out maintenance and inspection to
prevent the occurrence of errors.
7-1 Troubleshooting 232. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-2 Responding to Displayed Error Messages 235. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-2-1 Errors Occurring at Start of Operation and Their Remedies 235. . . . . . . . . . . . . . . . .
7-2-2 Errors Occurring during Operation and Their Remedies 237. . . . . . . . . . . . . . . . . . .
7-2-3 Errors Occurring on Screen Data Initialization and Transmission 238. . . . . . . . . . . .
7-2-4 Errors in the System Installer Mode and Their Remedies 239. . . . . . . . . . . . . . . . . . .
7-2-5 Communication Errors and Their Remedies 239. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-3 Maintenance of the NT31/NT31C 241. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-3-1 Replacing the Battery 244. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-4 Inspection and Cleaning 245. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .