The Standby (Reset) pin is not locked down. The panel 12V backup battery is low or missing. Using the wrong product handler, for example, using 2112 instead of 2212. Too much Current Draw on panel. Disconnect devices from Aux Power and try again. Noise or interference on the keypad Data Bus. Disconnect all wires on the panel data terminals. Not enough free memory in the D5200 Programmer. There should be 60K free memory. Refer to KB article: How to Operate the D5200 Hand Held Programmer. The 2212 handler may be corrupted in the D5200. Delete the 2212 handler and re-download it. Refer to KB article: How to Operate the D5200 Hand Held Programmer. Low batteries in the D5200. Replace batteries using 4 C cells. Trying to program a panel that is not powered up The programming cord is not securely connected to the panel programming port or may be damaged. The DX4010V2 comes with a cord with a 4-pin Molex connector on one end and phone connector on other end. This cable may work as a substitute.
Bosch Security Knowledge Base Unable to connect via USB - I have been connecting and programming the panel through the USB connection all day. Bosch Security Knowledge Base Related Products · B3512, B4512, B5512, B3512E, B4512E, B5512E, RPS 5.19, RPS-LITE 5.19, B99
The B8512 or B9512 supervises keypads even when disabled Related Products B8512 B9512 B915 B920 B921C B925F B926F B930 B942 Overview Issue The B8512 or B9512 supervises keypads even when Supervision=NO Solution If the keypad Type is set to an SDI type keypad (see below) the supervision setting can be configured YES or NO. When the keypad Type is set to one of the SDI2 type keypads the supervision Yes/No setting is ignored and the keypad is supervised. SDI2 devices are always supervised by design regardless of the supervision setting. SDI Keypads SDI2 Keypads D1255 VFD Keypad (SDI) B915 D125xRB Keypad (SDI) B920 D126x LCD Keypad (SDI) B921C B925F B926F B930 B942 Notes SDI2 devices that are the same type of device must use different addresses. SDI2 devices that are not the same type can be configured to the same address. For example: The B915, B92x, B930 or B942 are all same device types (keypads) and must use different addresses. The B920, B208 and B520 are all different device types and can all use the same address.
Bosch Security Knowledge Base How long will the C472 stay keyed up before they stop transmitting and how long does the transmitter have to wait before it can send signals again? C472, Multilink, Fastlink