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173
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
174
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7-2
Responding to Displayed Error Messages
176
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7-2-1
Errors Occurring at Start of Operation and Their Remedies
177
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7-2-2
Errors Occurring during Operation and Their Remedies
179
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7-2-3
Errors Occurring on Screen Data Initialization and Transmission
180
. . . . . . . . . . . .
7-2-4
Errors in the System Installer Mode and Their Remedies
181
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7-2-5
Communication Errors and Their Remedies
181
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7-3
Maintenance of the NT21
183
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7-3-1
Installing or Replacing the Battery
184
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7-4
Inspection and Cleaning
185
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