Replace Tamper Switch The tamper switch is faulty and needs to be replaced. This component is responsible for detecting unauthorized access or tampering with the device. A malfunctioning tamper switch may trigger false alarms or fail to detect actual tampering, compromising the security of the system. Replacing the faulty switch will restore proper function and ensure reliable performance. Alarm Systems Repair Need to replace tamper. Post type. Please send quote. (#PTSC) Inoperable Deficiency: Bad tamper switch, need to replace.