Fire Alarm Control Panels - Bosch Security Systems

Fire Alarm Control Panels Appendices | en 101FPD-7024 Panel DisplayMessageSYSTEM TROUBLETRBL OPEN LNACTRBL OPEN RNACTRBL OPT BUS@XXTRBL OVRC LNACTRBL OVRC RNACTRBL SHRT LNACTRBL SHRT RNACTROUBLE AC FAILTROUBLE ANNTROUBLE COMM FLTTROUBLE EEPROMTROUBLE EXPTROUBLE GRND FLTTROUBLE KPAD@XXTROUBLE LOW BATTTROUBLE MUX CLASS ATROUBLE PHONETROUBLE RELAY@XXTROUBLE SMK PWRWFLOW DSBL PTWFLW TRBL PT XXXPanel Display Message DefinitionGeneral trouble message. Refer to second line of the display formore information.A Local NAC circuit is open. Check the field wiring and the EOLresistor.An FPD‐7038 Remote NAC circuit is open. Check the field wiringand the EOL resistor.A wiring fault on option bus terminals 7 to 14, as well as specificaddress problems with option bus devices occurred. Check thewiring for the specific device address shown.An overexisting condition on one of the NAC circuits occurred.Check the field wiring on the notification appliances for shorts.A short on the Local NAC circuit occurred.A short on the FPD‐7038 Remote NAC circuit occurred.AC power failure to the control panel. Check the circuit breaker orfuse for AC power problem.Trouble with one or more annunciators connected to the controlpanel.A communicator problem occurred. Check the control panel’sphone lines and programming for the communicator problem.An EEPROM failure occurred. Call for service immediately.An FPD‐7034 Four Zone Expander board problem occurred. Ensurethat the FPD‐7034 is properly connected to the FPD‐7024 PCB.A ground fault problem occurred. Ensure that no control panelwiring is shorted to the earth ground.A specific keypad address failure occurred. Check the keypad’swiring and address settings.The control panel’s battery charger is not working, or the backupbatteries are missing.A failure on the MUX wiring in Class A mode occurred. Check thewiring for shorts or opens.A problem with the control panel’s phone lines occurred. Check thephone wiring and line monitor programming.One of the control panel’s auxiliary relays might be shorted.A short on the smoke power terminals 24 and 25 occurred.Waterflow point is disabled from the keypad.Trouble with a waterflow or sprinkler point occurred.Table 10.2: Control panel displayBosch Security System, Inc. Installation and Operation Manual 2012.08 | 04 | F01U008458