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INSTALLATION GUIDE - REMOTE ACCESS CONTROLLER RAC 4XT • PK3191_10_14
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
• Card Reading Troubleshooting
• External Inputs Troubleshooting
• Locking Device Troubleshooting
• Relay Expansion Board Troubleshooting
• Programming and Auditing Troubleshooting
For detailed assistance, please contact Technical Support as indicated at the start of this
manual.
1. Power Troubleshooting
6.0 Annex D Quick Troubleshooting Guide
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 “Power
Status” LED is OFF
- Verify that the power supply is powered (both AC
ON and DC ON LEDs are on).
- Verify the LED wiring to the power supply.
RAC 4XT enclosure’s panel door “Battery
Status” LED is OFF
- Verify the wiring polarity to the battery. If correct,
the battery may be 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
7.
- 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 5..
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