Assuming you’re using the latest device handler, it may possibly be a bug with WebCore. It has issues with numbers like 0 and 1 which it treats as boolean (true/false). It could be that issue. Try using the Intruder with Actions app or even better, if you’re using the latest device handler you can use the build in Automation tool from SmartThings to create you own custom actions when a button is pressed.
The DTH was recently updated to comply with the new SmartThings platform capabilities and included support for the new ST app and the Automation tool:
https://community.smartthings.com/t/release-enhanced-zigbee-keypad-device-handler-centralite-uei-iris-xfinity-scout/124776/215?u=rboy