10 Troubleshooting - Daikin iLINQ Room Terminal Installation & User Manual

10 Troubleshooting

The following section contains troubleshooting instructions for the iLINQ Room Terminal system.
The room terminal does not power on.
• Verify 24VDC is present at the room terminal.
• Verify 24VDC is present at the power supply output. If voltage is low, try to increase voltage by turning the VOUT
adjustment screw clockwise.
• Verify 24VAC is present at the power supply input.
• Review power supply LED fault codes.
Red LED Green LED
OFF ON
ON ON
OFF OFF
ON OFF
There is a communication error prompt on the room terminal display.
• Verify serial communication polarity and connection are correct per the diagram in the wiring specifications
section
• Verify iLINQ controller's software version is 1.3 or greater
The space temperature and space humidity displayed on the room terminal is not accurate or invalid.
• Verify the iLINQ controller's space temperature and space humidity sensor sources are set to terminal
• Verify there is no offset in the iLINQ controller for space temperature and space humidity
The Wi-Fi password is not working.
• The Wi-Fi password displayed is reset to "12345678" each time the Wi-Fi hotspot page is loaded. The current Wi-Fi
hotspot password is the last password that was saved. Create a new password and tap save to apply. This password
is saved but not displayed on the Wi-Fi hotspot Page for security purposes.
Condition
Normal Operation
Excessive load on the output
No input power
Output shorted to ground
Figure 40 - Power Supply
36