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2 Troubleshooting Procedures 2.9 Membrane switch Troubleshooting
2-40 [CONFIDENTIAL] TECRA R10 Maintenance Manual (960-708)
2.9 Membrane switch Troubleshooting
To check if the computer’s Membrane switch is malfunctioning or not, follow the
troubleshooting procedures below as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check
Procedure 1 Diagnostic Test Program Execution Check
Execute the button Test (DIAGNOSTIC TEST) and Pressed key display test (ONLY ONE
TEST) in the Diagnostic Program. Refer to Chapter 3, Tests and Diagnostics, for more
information on how to perform the test program.
If an error occurs, go to Procedure 2. If an error does not occur, Membrane switch is
functioning properly.