Napco Alarm Panel Trouble Codes

E01-00 AC Power Failure
E02-00 System Low Battery
E03-00 Communication Failure
E04-NN RF Transmitter Supervisory Failure; NN = Transmitter Number
E05-NN RF Transmitter Tow Battery Condition; NN = Transmitter Number
E06-NN Receiver Response Failure; NN = Receiver Number
E07-00 Download Failure
E08-00 Telephone Line Failure
E09-00 System Cold Start
E10-NN Keypad Response Failure; NN = Keypad Number
E11-NN Keypad Tamper Condition; NN = Keypad Number
E12-NN Expansion Zone Module Response Failure; NN = Module Number
E13-NN Expansion Zone Module Tamper Condition; NN = Module Number
E14-NN Relay Board Response Failure; NN = Relay Board Number
E15-NN RF Transmitter Tamper Condition; NN = Transmitter Number
E16-NN Receiver Jammed; NN = Receiver Number
E17-NN Receiver Tamper Condition; NN = Receiver Number
E18-NN Key Fob Transmitter Low Battery; NN = Key Fob Transmitter Number
E19-00 User Program Memory Error
E20-00 Dealer Program Memory Error
E21-00 System Shutdown
E22-NN Sensor Activity Failure; NN = Zone Number
E23-00 Burglary Bus Failure
E24-00 Service Message
E27-00 Printer Failure
E39-00 Receiver Capacity Error
E40-00 RF Self-Test Failure; NN = Zone Number
E41-NN Fire Trouble. NN = Zone Number
E51-00 Bell Supervisory
E58-00 Telemetry Trouble
E59-00 Telemetry Failure
E66-00 “Clean Me” Smoke Detector Dirty
E99-00 Keypad Panic Shorted too Long