EV7-S Terminal – Fault Codes
Weightron Admin|4 January, 2023
The D70E Terminal is a terminal that connects to platform scales and various printers, including the STB 80 Printer, STB Q3 Printer, STT 58 Printer, and LP 55 Printer.
- See the EV7-S Terminal fault codes.
If you have a EV7-S Terminal, and are having issues, contact our team for servicing and support.
EV7-S Terminal – Malfunctions
| Problem | Cause | Remedy |
| 9999999 | The scale is overloaded | Reduce the weight to a value below the maximum scale capacity. |
| The terminal remains off | Poor battery autonomy | Carry out a “battery charging” operation. Change the battery set if the fault persists. |
| Poor battery autonomy | Perform a “first charging” operation | Change the battery set if the fault persists. |
| POW.ER | The standard adapter was wrongly connected for the first charging operation. | Change the standard adapter for the one supplied with the battery set. |
EV7-S Terminal – Error Messages
| Problem | Cause | Remedy |
| -01- Converter failure |
Scale connector disconnected or broken / Conversion board failure | Switch the terminal off and make sure that the connector is correctly connected. If necessary, disconnect it, re-connect it and then power the terminal again. / Contact our team. |
| -02- EEPROM error |
Voltage drop during an incorrect operation | Reset the instrument. If the error persists, contact our team for possible replacement of the CPU board. |
| -04- RAM checksum error -05- EPROM checksum error |
CPU board fault | Reset the instrument; If the error persists, contact our team for possible replacement of the CPU board. |
| PC.ERR | Communication error with the PC | Check the cable that connects to the PC.
Make sure that the PC is on and that the program has been installed correctly. Make sure that the port that access the Setup Menu by following pathway Person/MPP/COPC and select COM.1 (see par. 8.5.6 on page 1-101). |
| NO ENAB | During the installation phase, the weighing operation was enabled via serial link. The weighing operation cannot therefore be requested by pressing ⊙ | Do not press key ⊙
To request the weighing operation by pressing key ⊙, access the Setup Menu by following the pathway Person/MPP/RICH and select TASTO (see par. 8.5.6 on page 1-101). |
If you have a EV7-S Terminal, and are having issues, contact our team for servicing and support.



















