Et 130 Manual: Mac Tools

Set dial to . Ensure the circuit is powered off before testing to avoid false readings or damage. Diode Test

: If the unit fails to calibrate or function, it must be sent to the Mac Tools Repair Center with all components (leads, batteries) included for diagnosis [0.5.2]. 5. Troubleshooting Common Issues Mac Tools Et 130 Manual

Set dial to the . The meter will beep if a continuous path exists (0 ohms). Resistance Set dial to

: Replace the 9V battery and check for secure connections. Resistance : Replace the 9V battery and check

Set dial to the . Used to check the health of alternators or charging system components. 4. Maintenance and Storage

: Wipe the exterior with a clean, dry, lint-free cloth. Do not use solvents or abrasive cleaners [ 0.5.1 ].

: Check the internal fuse; blown fuses are common if the red lead was incorrectly placed in the 10A port during a voltage check.