SmartLink and Power Entrance Box Troubleshooting Points and Voltages

Question

  • What points can be used for troubleshooting and testing for a Billboard SmartLink and power entrance box?

Environment

  • Product Family: Billboards
  • Product: DB-4200, DB-5000, DB-6000, DXB-0100
  • Component: SmartLink, Power Entrance Box
  • Control System:

Answer/Steps

  • Please see the picture and chart below for points to use for testing what the readings should be for troubleshooting a SmartLink or power issue:

Smartlink troubleshooting.jpg

 

 
Test Point Location
 
Device
Red Probe
Black Probe
Correct VAC Reading
Correct Light Indicator
Possible Symptom if VAC Incorrect
Trouble-shooting Tips
Corrective Action
SmartLink
1
N
0
R1 Off
Network equipment (ISP box) has no power
1. Check if there is a schedule playing on each relay through the web interface.
2. Check status relay in web interface.
3. Check test points 5, 6, 7, 8 for correct voltage
1. Remove schedule. Verify voltages again.
2. If relay status is set to 'ON', reset status to 'OFF'
3. If voltage is good and troubleshooting items 1, 2 are good. Replace SmartLink unit
2
N
0
R2 Off
DMP8065 power supplies do not have power
3
N
0
R3 Off
No power to display power supplies and breakers are on. contactor coil does not have power.
4
N
0***
R4 Off***
Customer provided equipment does not work properly
L1
N
120*
Power On
 
Status lights are off, device is offline
1. Verify site voltage in power entrance with voltmeter across Line and Neutral
1a. If not correct, Call electrician to verify Site voltage. 
1b. If correct, check BLACK, RED, AND WHITE wires between SmartLink and Power  entrance. Verify they are connected properly in their respective terminal blocks
L2
N
120*
5
N
120*
1. De-energize SmartLink device with CB# in power entrance and verify the fuse is good
1. Replace the SmartLink. Note if the fuse was bad.
6
N
120*
Power Entrance
12**
Ground
120*
K1 to K3 Relay Off***
- Network equipment has no power
- DMP8065 power supplies do not have power
- No power to display power supplies and breakers all breakers are on. Contactor coil does not have power
- Customer provided equipment does not work properly
1. Verify voltage between Line and Neutral and Line to Ground
1a. If not correct, call electrician to verify the site voltage.
1b. If correct, check Blue, Orange, Violet, and Yellow wiring from Line block to the respective K1 - K4 relay
11**
Ground
120*
A1**
A2**
0V***
1. Refer to troubleshooting tips 1-3 above.
1. Refer to troubleshooting tips 1-3 above.
  • 120 VAC shown for reference.
    • Site nominal voltage is acceptable.
  • Check all K1-K4 relays in the power entrance.
  • K4 in power entrance and relay 4 in SmartLink may by on depending on customer use.

KB ID: DD2585883


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