Kaba RAC 4XT Installation Manual page 33

6.0 Annex D Quick Troubleshooting Guide
5. Relay Expansion Board Troubleshooting
CAUTION:
The power for the RAC 4XT must be turned
!
off before connecting or disconnecting
the Relay Expansion Board. If the system
is equipped with the optional battery
back-up, it should also be disconnected.
Symptom
LEDs on the Relay Expansion Board
are off
Relay Expansion Board relays do not
activate
INSTALLATION GUIDE - REMOTE ACCESS CONTROLLER RAC 4XT • PK3191_10_14
NOTE: The Relay Expansion Board relay
outputs are designed to be "Fail Safe"
during a power failure or fire alarm: the
Normally Open contact will be closed,
and the Normally Closed contact will
be open.
- Verify that the ribbon cable between the RAC
4XT controller and the Relay Expansion Board is
connected properly. If it is not connected, turn
the power off, connect the cable, and turn the
power back on.
- Verify that the Fire Alarm input is not active (Input
contact closed, Fire Alarm LED, D47, is on).
- Verify that the relays are not bypassed (the bypass
switches SW1 and SW4 on the Relay Expansion
Board should be off).
- Verify that the RAC 4XT is not in passage mode.
- Activate the manual bypass switches SW1 and
SW3 on the Relay Expansion Board and verify that
the relays are activated and the corresponding
LEDs turn off. De-activate the manual bypass.
- Verify that the address of the Relay Expansion
Board selected by the rotary switch SW2 is
correct (The default should be at position 0).
- Verify that the RAC 4XT controller is active: the
Functionality 1 (D45) and Functionality 2 (D46)
LEDs should blink. If not, reset the RAC 4XT
Controller: press the Reset switch (SW1) or
disconnect and reconnect the power.
- Activate the Request to Exit by shorting J8-3
to J8-4. All the relays on the Relay Expansion
Board should activate. If not, reset the RAC
4XT Controller: press the Reset switch (SW1) or
disconnect and reconnect the power.
- Verify that the RAC 4XT controller is programmed
properly.
- Verify that the card is encoded properly.
Page 32
Action