Trouble tones will clear and then return one hour later.
RF Sensor Low Battery
With earlier revisions of panel firmware, users could silence a low RF fire sensor battery trouble indefinitely. With revision 3.03 (or later), the panel restarts the trouble sounder at the keypad within four hours if the low battery in the fire sensor is not replaced.
Points are faulted but the panel does not react.
Points must be faulted for 500 milliseconds minimum.
*When using self resetting devices, some do not latch the contact in the faulted position but do show a fault trip via a latched LED.
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.