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NEC LED-FA019i2 User Manual - Page 92

Troubleshooting

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12 TROUBLESHOOTING Table 15 summarizes the most common problems you could encounter with the appliance. If you are unable to solve the problem with the information below, contact the NEC DISPLAY SOLUTIONS service team: [email protected] Table 15: Troubleshooting Solutions Problem Solution No power Check if electric power is switched on. Check if screen is connected properly to the electric power system. No picture Adjust the contrast and brightness settings. Check if the screen saver is activated. No signal input Check the green LED of the Receiving card is flickering regularly or not (fast flickering means no signal). 1. Check if the cable connector assembly is stable. 2. Check whether the cable is short-circuited. 3. Check the power of the Receiving card. In case the above three points do not fix the problem, please exchange the Receiving card. Module not working Use a multimeter to test the module. The voltage should be 4.2 V. Table 16: Signal Light Codes Light Meaning Signal Interval [in sec] 1 2 3 4 5 6 7 8 9 Power supply on green Power supply off red blue Data connection ok  Data connection bad Signal on Controller lost  [1 ms]  not relevant [1 ms] [1 ms] 92

Section	Page
1 About this User Guide	9
1.1 Safety Symbols Used in this Manual	9
1.2 Service & Support in Europe	9
2 Safety and Compliance Guidelines	10
2.1 Qualification of Personnel	10
2.2 Personal Protection	10
2.3 General Safety Guidelines	11
2.3.1 Ambient Temperature	12
2.3.2 Risk of Fire	12
2.4 Safety for Electricity and Power Supply	12
2.5 Declaration of Conformity	14
3 About this Product	15
3.1 Scope of Delivery	15
3.2 List of Parts	15
3.3 Framesets for Bundles	17
3.3.1 Frameset for LED-FA012i2-110 and LED-FA019i2-110 (4×4 Modules)	17
3.3.2 Frameset for LED-FA015i2-137 (5×5 Modules)	18
3.3.3 Frameset for LED-FA019i2-165 (6×6 Modules)	18
3.3.4 Frameset for LED-FA012i2-220 and LED-FA025i2-220, LED-FA038i2-220 (8×8 Modules)	19
3.4 Specification	20
3.5 LED Wall Components	23
3.5.1 Module	23
3.5.2 Cabinet	24
3.5.2.1 Corner Alignment Pins	25
3.5.2.2 Cabinet Interlocks	25
3.5.2.3 Grip Handles	26
3.5.2.4 Cabinet Hanger Pins	27
3.5.2.5 Network and Power Supply Socket	28
3.5.3 Pixel Card	29
3.5.4 Hub Board	31
3.5.5 Power Supply	32
3.5.6 Signal Lights	33
3.5.7 Power Bar	34
3.6 Ventilation Requirements	35
3.6.1 Heat Dissipation	36
3.6.2 Cooling	36
4 Accessories	37
4.1 Power Supply and Connecting Cables	37
4.1.1 Power Supply for Power Bar	37
4.1.2 Signal Cable	37
4.2 Adjustment plate	37
5 Prepare for Use	38
1.1	38
1.1	38
1.1	38
5.1 Cabinet Packaging	38
5.2 Pixel Cards Packaging	39
1.1	39
1.1	39
5.3 Installation Setup – Wall Mounting	40
6 Assemble Components	41
6.1 Install Mounting bars for Wall Mounting	41
6.1.1 Prepare the Wall Surface	41
6.1.2 Draw and Mark the Anchor Positions on Wall	42
6.1.3 Drill the Positions	43
6.1.4 Attach the Mounting bars	44
6.2 Install Power Bar onto Mounting bars	45
6.2.1 Check the Evenness	45
6.2.2 Bring Power Bar into Position	45
6.2.3 Attach Power Bar to Mounting bars	45
6.3 Install Cabinets	46
6.3.1 Install Cabinet Hanger Pins on the Backside	46
6.3.2 Install Cabinets for Bottom-Row on Power Bar	47
6.3.3 Secure Cabinet to Power Bar	48
6.3.4 Install Further Cabinet Rows	49
6.3.5 Align Cabinets	49
6.4 Connect Power and Data Cables to Power Bar	50
6.4.1 Connect Data Cables to the Power Bar	50
6.4.2 Connect Power Cables to the Power Bar	51
6.4.3 Check the Power Supply and Data Connection of the Modules	51
6.5 Install Overframes and Power bar cover	52
6.6 Install Pixel Cards	54
7 Getting Started	56
7.1 Info on the Connection Setup	56
7.2 Install Controller Software NovaLCT	56
7.3 Configure the Screen in NovaLCT (Loading scr-Files)	57
7.4 Update the Calibration Data after Installing All Pixel Cards	62
7.5 Creating calibration data for backup	66
8 Software NovaLCT	71
8.1 Function Overview	71
8.2 Advanced User Login	74
8.3 Monitoring	75
8.3.1 Function Overview	75
8.3.2 Start Monitoring Function	75
8.3.3 Change Monitoring Parameters	76
8.3.4 Receiving Card and Power supplies	79
8.3.5 Sending Card	80
8.3.6 Temperature	81
9 Cleaning	83
10 Maintenance	84
10.1 Routine Maintenance	84
10.2 Regular Cleaning	84
10.3 Power System Maintenance	85
10.4 Maintenance Tools	85
10.5 Front Service	86
10.5.1 Change the Pixel Cards	86
10.5.2 Remove the Hub Board	87
10.5.3 Change the Receiving Cards	88
10.5.4 Change the Power Supply System	88
11 Spare Parts	90
12 Troubleshooting	92
13 Disposal	93
13.1 Within the European Union	93
13.2 Outside the European Union	93
14 Copyright and Disclaimer	94
14.1 Copyright	94
14.2 Disclaimer	94
15 Appendix	95
15.1 Cable Plans	95
15.1.1 LED-FA012i2-110, LED-FA019i2-110: Data Connections	95
15.1.2 LED-FA012i2-110, LED-FA019i2-110: Power Connections	95
15.1.3 LED-FA015i2-137: Data Connections	96
15.1.4 LED-FA015i2-137: Power Connections	96
15.1.5 LED-FA019i2-165: Data Connections	97
15.1.6 LED-FA019i2-165: Power Connections	97
15.1.7 LED-FA025i2-220, LED-FA038i2-220: Data Connections	98
15.1.8 LED-FA025i2-220, LED-FA038i2-220: Power Connections	98
15.1.9 LED-FA012i2-220: Data Connections	99
15.1.10 LED-FA012i2-220: Power Connections	99
15.2 Backside hole cabinet	100