DTI Sears 660 Trouble
| Silence Trouble by pressing PROGRAM key | |
| Zone Trouble | Flashing zone light + keypad beeping |
| Battery Trouble | System has no way of testing for low battery |
| AC Trouble | AC Power light will flash |
| Silence Trouble by pressing PROGRAM key | |
| Zone Trouble | Flashing zone light + keypad beeping |
| Battery Trouble | System has no way of testing for low battery |
| AC Trouble | AC Power light will flash |