Click on the link for the firmware to download it.
Download to the desktop on your PC. Create a folder on the desktop and add the file to the folder. Double-click the file and follow the instructions.
When downloading, Windows may warn about the contents. Select “Keep Anyway”
If you receive the “Windows protected computer” security alert when opening the file, press “More Information” and then “Run Anyway”.
It is the same software for Ontech GSM 9025, Ontech GSM 9035 and Ontech GSM 9040.
If yopu want to update an Ontech GSM 9035 or an Ontech 9025 with firmware ver. 34 or lower, please contact firstname.lastname@example.org.
|Software 9040- ver 48 Windows||Introduced automatic alarm when the backup battery runs out and the unit shuts down.
Introduced the ability to set alarms to be acknowledged automatically.
Changed maximum adjustable limit for low battery voltage to 25 volts.
Adjustment of how the charging of the backup battery is done in accordance with the latest directives
Bug fix of error that allowed the GSM module to lock in boot mode after operating the backup battery.
|Software 9040- ver 48 Mac||Same as the Windows version.
Works on Mac OS Catalina 10.15.X and higher.
|Software 9040 – ver 47||In case of no GSM network connection, the relay should no longer turn off for one second every three minutes.
In case of no GSM network connection, the thermostat function will continue to operate. In previous versions, the relay got locked in either ON or OFF position until the GSM network was restored.
Support for air pump “Panasonic E9CKP5”.
Fix: active alarms are no longer acknowledged if any setting is changed by the user on the Ontech Control web page.
|Software 9040 – v 45||Introduced the ability to report voltage for power source to Ontech GSM 9025
Prepared for Ontech Control to report measurements and alarms for constant current 4-20 mA
Prepared to show temperature diagrams
GSM module reboots on a regular basis to minimize the risk of losing contact with the device.