| (On Main Panel Display Only) |
| 0 to 16 |
Zone (With Alarm, Alarm Memory or Trouble LED) |
| E0 |
Trouble With Dialer |
| E1 |
Trouble With External Printer |
| E7 |
Trouble With EEPROM Memory |
| F0 |
Keypad Power Trouble |
| F1 to F7 |
Trouble with Keypad |
| A1 to A4 |
Trouble with a particular bell output |
| P1 |
Trouble with Smoke Power |
| P2 |
Trouble with Accessory Power |
| P3 |
Earth Ground Fault to Circuit Ground |
| P4 |
Earth Ground Fault to Power |
| Po |
Printer Out of Power |
| dL |
Communicator lost data it was trying to transmit |
| dF |
Communicator Failure |
| dc |
Low Battery |
| Ac |
Low A/C Power |
| L1 |
Phone Line 1 Fault |
| L2 |
Phone Line 2 Fault |
