Clark-Reliance Jerguson LumaStar EPL-100 Panduan Petunjuk Pemasangan, Pengoperasian & Pemeliharaan - Halaman 9
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Halaman Cetak
Description of Problem
All LEDs out
Set or sets of (4) LEDs out
LEDs out above a certain point
LEDs out in group (more than 4)
Caution: Some of these troubleshooting steps are performed with live voltage applied. The assembly
should be moved to a safe area before beginning work. A qualified and properly trained technician
must perform these steps.
NOTE: See Figure 14 on next page for component locations.
1) Remove enclosure cover and look to see if red LED power indictor is on.
a) If red LED is on, go to step 4.
2) Check AC wiring to make sure it is properly installed and tightened in connector.
3) Using a meter, verify AC line voltage at AC connector.
4) Disconnect AC power. Using a small pair of needle-nose pliers, gently remove fuse from holder.
5) Check fuse for continuity with an Ohm meter. If there is continuity, re-install fuse. If there is no
continuity, replace fuse.
6) Check DC output wiring to make sure it is properly installed and tightened.
7) Reconnect AC power.
8) Using a voltmeter set to DC; measure the voltage across the output connector. Voltage should be
between 9VDC and 15VDC.
9) Unscrew and remove blue power cord. Inspect the 4 pins inside end connector to make sure they are
straight and undamaged. If pins are bent, use a small pair of needle-nose pliers to straighten bent pins.
If pins are missing, contact factory.
10) Reconnect power cord making sure connectors are fully seated and tightened.
11) If all steps above check OK, contact factory for support.
16633 Foltz Parkway ● Strongsville, OH 44149 USA ● Telephone: +1 (440) 572-1500 ● Fax: +1 (440) 238-8828
Troubleshooting
Possible Cause
No AC line voltage
Blown Fuse
Loose or disconnected DC output wires
Blue Power Cord loose or connector damaged
Loose or damaged connections inside LED
Assembly
Damaged Power Supply
Defective LED Board
Loose connection between LED boards
Defective LED board
Defective LED board
Troubleshooting Steps
www.clark-reliance.com ● [email protected]
Troubleshooting
Procedure
Follow
troubleshooting
steps below
Contact Factory
Contact Factory
Contact Factory