Saflok LED Light Indicators
This guide explains LED light indicators for Saflok lock models: SL2500, MT Series, Adese Series, RT Series, and QTM Series.
Normal Keycard LED Indicators
| LED Pattern | Meaning / Action |
|---|---|
| Green LED flashes 12 times | Correct keycard. Access granted. |
| Yellow LED flashes 12 times | Correct keycard, but access blocked due to deadbolt or privacy switch. |
| Yellow LED flashes 8 times | Correct keycard, access denied for one of the following:
|
| Yellow LED flashes 2 times | Keycard is not mastered to the lock. |
| Yellow LED flashes 1 time | Lock is not programmed. |
| One yellow LED flash before green/yellow | Master keycard is nearing expiration. |
| Red LED alternating flashes | Lock batteries are low. |
| Red LED simultaneous flashes | Lock clock needs reset. |
| Red LED flashes 1–2 times | Keycard presented: Inserted incorrectly or no code. No keycard: Key switch stuck. |
| No LED activity |
|
Special Function Keycards
| Keycard / LED Pattern | Function / Meaning |
|---|---|
| Resequence Keycard If a red LED flashes once before the sequence, a new keycard is needed. | |
| Green + Yellow LEDs flash 6 times | Resequence completed successfully. |
| Yellow LED flashes 6 times | Lock was not out of sequence. |
| Inhibit Keycard | |
| Red LED 1 flash + 12 yellow flashes | Lock successfully inhibited; guest codes disabled. |
| Yellow LED flashes 12 times | Lock already inhibited. |
| Electronic Lockout Keycard | |
| Red LED 1 flash + 12 yellow flashes | Lockout enabled |
| Green LED 1 flash + 12 yellow flashes | Lockout removed |
| Primary / Secondary Program Keycard | Yellow LED flashes for 20 seconds |
| E2 Erase Keycard | Yellow + Green LEDs flash twice |
Invalid Lock Mode LED Indicators
| LED Pattern | Mode / Meaning |
|---|---|
| 1 Green, 1 Yellow, 1 Red, then all 3 flash 4x | Fatal test mode; lock E2 failed. Drill lock to open. |
| Red, Green, Yellow flash simultaneously 4x | MODE 0; circuit board problem. Use E2 erase keycard to enter Mode 1 and reprogram. |
| Green 2x, then all 3 flash 4x | MODE 1; lock not programmed. Reprogram with LPI probe. |
| 2 Green + Yellow flashes, then all 3 flash 4x | MODE 3; circuit board programming chip problem. Replace circuit board. |
| 2 Red flashes, then all 3 flash 4x | MODE 4; lock E2 disabled. Use PPK + E2 disable/enable to enable. |
| 2 Yellow flashes, then all 3 flash 4x, then slow yellow flash | MODE 5; motor switch problem or jammed motor. Replace entire lockset. |