06-2023 dormakaba Canada Inc. RAC5 MFC Installation Guide – PK3738 | 15
5 Annex A: Quick Troubleshooting Guide
The following sections show basic troubleshooting for some common problems that may occur during
installation. Each section related to a specific type of problem. For detailed assistance, please contact
Technical Support.
5.1 Power Troubleshooting
• Verify that the AC supply is not turned off
• Verify that the Adapter output is not shorted
Power supply AC ON green LED
is OFF
• Verify that the wiring to the power wall-mount adapter is correct
• If using the 24 VDC International Adapter, verify that the polarity is
correct
Power supply DC ON red LED is
OFF
• Verify the wiring between the power supply and the RAC5 MFC
controller
• Verify that the power supply output is not shorted
• Verify that the power supply is powered (both AC ON and DC ON LEDs
are on)
• Verify the LED wiring to the power supply
All RAC5 MFC 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 adapter
• Verify that the RAC5 MFC controller is connected properly to the
power supply as per Annex B, Figure 8
• If qualified, with a multi-meter, verify that 24 VAC (North American
Power Adapter) or 24 VDC (International Power Adapter) is present
across the power supply terminal block XFMR_1 and XFMR_2 as per
Annex B, Figure 8
5.2 Card Reading Troubleshooting
No feedback on Reader when
using a card
• Verify that the RAC5 MFC controller is active. If not, restart the RAC5
MFC controller: Press the Reset Switch (SW1) or disconnect and
reconnect the power
• Check that the Reader LED (D48 for Reader 1 or D37 for Reader 2) is
steady ON. If not, verify the reading wiring
• Verify that the card is encoded properly
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