If you have Pektron alarm system (SCU) - round fobs with logo in the middle then your problemmis failed relay within SCU. You will need to remove your SCU in order to replace relays. Take a read throgh this thread: General - Pektron SCU/BCU
You can contact Paul @ Technozen Electronics - Home Of Pektron SCU Repair
You can contact Paul @ Technozen Electronics - Home Of Pektron SCU Repair