
PK3520_09_07 • REMOTE ACCESS CONTROLLER - 660G XT
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The following sections show basic troubleshooting for some
common problems that may occur during installation. Each
section relates to a specific type of problem, namely:
• Power Troubleshooting
• Troubleshooting
• External Inputs Troubleshooting
• Locking Device Troubleshooting
• Programming and Auditing Troubleshooting
For detailed assistance, please contact Technical Support as
indicated at the start of this manual.
6.0 Annex C Quick Troubleshooting Guide
1. Power Troubleshooting
Symptom
Action
Power adaptor LED is OFF
- Verify that the AC supply is not turned off.
- Verify that the adaptor output is not shorted.
Power supply AC ON green LED is OFF
- Verify that the wiring to the power wall-mount adaptor is correct.
- If using the 24 VDC international adaptor, verify that the polarity is correct.
Power supply DC ON red LED is OFF
- Verify the wiring between the power supply and the RAC 4XT controller.
- Verify that the power supply output is not shorted.
RAC 4XT enclosure’s panel door
- Verify that the power supply is powered (both AC ON and DC ON LEDs are on).
“Power Status” LED is OFF
- Verify the LED wiring to the power supply.
RAC 4XT enclosure’s panel door
- Verify the wiring polarity to the battery. If correct, the battery may be
“Battery Status” LED is OFF
discharged. After charging for a few hour, the Battery Status LED should
turn green. Full charge may take up to 12 hours.
- If the Battery Status LED is still OFF after 12 hours, the battery may
need to be replaced.
All RAC 4XT LEDs are OFF
- Verify that the DC ON LED on the power supply is on.
- Verify that the AC power is active for the wall mount power adaptor.
- Verify that the RAC 4XT controller is connected properly to the power supply
as per Annex A, Table 5.
- If qualified, with a multi-meter verify that 24 VAC (North American power
adaptor) or 24 VDC (international power adaptor) is present across power
supply terminal block XFMR_1 and XFMR_2 as per Annex A, Table 4.
1. Keypad Troubleshooting
Symptom
Action
No LED, No sound when key is pressed
- Verify that the RAC 660G XT is powered.
- Verify the wiring to the keypad
Test sequence (#, 0, *, 9, 8, 7, 6, 5,
- Verify the wiring to the keypad
4, 3, 2, 1,) not accepted
Code not accepted.
- Verify that the RAC 660G XT controller is active: the Access (D43) LED should
blink. If not, reset the RAC 660G XT Controller: press the Reset switch (SW1)
or disconnect and reconnect the power.
- Verify the wiring to the reader.
- Verify that the 660G XT is programmed (LED D41 should be on), If not, program it.
- Re-program the RAC 660G XT.