Kaba ILCO RAC 660G XT, Installation Manual, Page: 20 / 22

PK3520_09_07 • REMOTE ACCESS CONTROLLER - 660G XT
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6.0 Annex C Quick Troubleshooting Guide
Symptom Action
Request to Exit does not work - Verify that the REX LED (D33) on the RAC 660G XT controller turns on when
the button is pressed. If not, verify the wiring to the Request to Exit button.
- Verify that the wires are connected to the Normally Open and Common
contacts of the Request to Exit button.
Remote Unlock does not work - Verify that the Remote Unlock LED (D36) on the RAC 660G XT controller turns
on when the button is pressed. If not, verify the wiring to the Remote Unlock
button.
- Verify that the wires are connected to the Normally Open and Common
contacts of the Remote Unlock button.
Key Override does not work - Verify that the key override LED (D40) on the 660G XT controller turns on
when the key override is activated. If not, verify the wiring to the key override.
- Verify that the wires are connected to the Normally Open and Common
contacts of the Key Override.
3. External Inputs Troubleshooting
Symptom Action
Locking Device always unlocked - If the Locking Device Relay LED (D31) on the RAC 660G XT controller is ON:
• Verify that the delay setting of the DIP switch (SW2) is correct.
• Verify that the lock is in not Passage Mode.
- If the Locking Device Relay LED (D31) on the RAC 660G controller is OFF:
• Verify that the Bypass switch is not active (Bypass LED, D21, is OFF).
• Verify that the Fire Alarm input not active (Input contact closed, Fire Alarm
LED, D47, is ON).
• Verify the wiring to the locking device.
Locking device does not unlock - If the Locking Device Relay LED (D31) turns on:
• Verify that the Fire Alarm input is not active (Input contact closed, Fire
Alarm LED, D47, is on).
• Verify the wiring to the locking device.
- If a diode is installed on the locking device, verify the polarity.
- If the locking device Relay LED (D31) does not turn on:
• Verify that the Request to Exit or Remote Unlock activation unlocks the door.
• Verify t hat the card is encoded properly.
• Verify that the RAC 660G XT is not in Lockout mode.
• Verify that the RAC 660G XT is programmed properly.
Fire Alarm does not Unlock door - Verify that the Fire Alarm input is connected to a Normally Closed contact.
- Verify that the Fire Alarm LED (D47) is normally on and turns off when the
Fire Alarm is present.
- Verify that the 12V_Lock output of the RAC 660G XT controller is connected
to the COMMON of the locking device relay.
Unit Resets when the relay activates - If the diode is installed on the Electric strike as per Annex A,
to unlock the door. verify the polarity of the diode.
- Verify the wiring to the locking device.
4. Locking Device Troubleshooting