Kaba RAC 4XT Installation Manual page 32

6.0 Annex D Quick Troubleshooting Guide
4. Locking Device Troubleshooting
Symptom
Locking Device always unlocked
Locking device does not unlock
Fire Alarm does not Unlock door
RAC 4XT Controller PCB resets when
relay is activated
INSTALLATION GUIDE - REMOTE ACCESS CONTROLLER RAC 4XT • PK3191_10_14
- If the Locking Device Relay LED (D31) on the
RAC4XT 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
RAC4XT 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.
- 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 that the card is encoded properly.
• Verify that the RAC 4XT is not in Lockout
mode.
• Verify that the RAC 4XT is programmed
properly.
- 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 4XT
controller is connected to the COMMON of the
locking device relay.
- Verify that there is no short-circuit on the locking
device wiring.
- If a diode is installed on the locking device, verify
the polarity.
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