Triner Scale VP-70 Manual - Manual (Page 27)

Page 6-4
6.2 SERVICE MENU
The Service Menu is used to configure the system, run diagnostics and perform scale
calibration. The service menu is password protected.
6.2.1 How to perform an Analog to Digital Conversion (A/D) Test
The Analog to Digital Conversion (A/D) Test can be used to troubleshoot a
damaged load cell, a bad connection or a faulty internal component.
1. Press the F1 key.
2. Press the SCREEN DOWN key.
3. Press the SERVICE soft key.
4. At the password prompt key in (336699) then press ENTER.
5. Press the A/D TEST soft key.
Scale displays system information as follows:
A/D Index => a/d counter indicates buffer size
A/D Count=> internal A/D converter counts
6. Press the ZERO SCALE key to zero the A/D Count.
7. Press the CLEAR key to exit the test
6.2.2 How to perform a LCD Test
The LCD Test can be used to troubleshoot a damaged display.
1. Press the F1 key.
2. Press the SCREEN DOWN key.
3. Press the SERVICE soft key.
4. At the password prompt key in (336699) then press ENTER.
5. Press the LCD TEST soft key
Scale displays various characters on all four lines of the screen for about three
seconds followed by a blank screen for about three seconds; sequence is
repeated twice more before scale automatically reverts back to the Service
screen
6.2.3 How to perform a Keyboard Test
The Keyboard Test can be used to troubleshoot an inoperative key.
1. Press the F1 key.
2. Press the SCREEN DOWN key.
3. Press the SERVICE soft key.
4. At the password prompt key in (336699) then press ENTER.
The Service Menu is only for qualified scale service technicians.
DO NOT attempt to enter the service mode unless you have been instructed by Triner Scale or
one of their authorized distributors. If you have any questions about the Service Menu call
Triner Scale at 1-800-238-0152.