
7 Product Support and Maintenance
7.1 Troubleshooting
The emitter has a single red status LED. Use the receiver’s three LEDs (green, amber, and red) to diagnose system status.
Receiver LED Condition System Status Possible Action
Green Amber Red
ON OFF OFF Emitter/receiver pair aligned None
ON ON OFF Emitter/receiver pair aligned with dirty lens or
marginal signal
Clean lenses; align emitter and receiver
OFF OFF ON Emitter/receiver pair blocked None
OFF ON ON Emitter/receiver pair blocked with dirty lens or
marginal signal
Clean lenses; align emitter and receiver
ON ON ON Receiver error Replace receiver
ON Flashing (2 Hz) OFF Degraded mode; emitter/receiver pair aligned Clean lenses; align emitter and receiver
OFF Flashing (2 Hz) ON Degraded mode; emitter/receiver pair blocked
Flashing (2 Hz) OFF Flashing (2 Hz) Emitter is not functioning Connect emitter
7.2 Contact Us
Banner Engineering Corp. headquarters is located at:
9714 Tenth Avenue North
Minneapolis, MN 55441, USA
Phone: + 1 888 373 6767
For worldwide locations and local representatives, visit www.bannerengineering.com.
7.3 Banner Engineering Corp Limited Warranty
Banner Engineering Corp. warrants its products to be free from defects in material and workmanship for one year following
the date of shipment. Banner Engineering Corp. will repair or replace, free of charge, any product of its manufacture which, at
the time it is returned to the factory, is found to have been defective during the warranty period. This warranty does not cover
damage or liability for misuse, abuse, or the improper application or installation of the Banner product.
THIS LIMITED WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER EXPRESS OR
IMPLIED (INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE), AND WHETHER ARISING UNDER COURSE OF PERFORMANCE, COURSE OF DEALING
OR TRADE USAGE.
This Warranty is exclusive and limited to repair or, at the discretion of Banner Engineering Corp., replacement. IN NO
EVENT SHALL BANNER ENGINEERING CORP. BE LIABLE TO BUYER OR ANY OTHER PERSON OR ENTITY FOR
ANY EXTRA COSTS, EXPENSES, LOSSES, LOSS OF PROFITS, OR ANY INCIDENTAL, CONSEQUENTIAL OR
SPECIAL DAMAGES RESULTING FROM ANY PRODUCT DEFECT OR FROM THE USE OR INABILITY TO USE THE
PRODUCT, WHETHER ARISING IN CONTRACT OR WARRANTY, STATUTE, TORT, STRICT LIABILITY, NEGLIGENCE,
OR OTHERWISE.
Banner Engineering Corp. reserves the right to change, modify or improve the design of the product without assuming any
obligations or liabilities relating to any product previously manufactured by Banner Engineering Corp. Any misuse, abuse, or
improper application or installation of this product or use of the product for personal protection applications when the product
is identified as not intended for such purposes will void the product warranty. Any modifications to this product without prior
express approval by Banner Engineering Corp will void the product warranties. All specifications published in this document
are subject to change; Banner reserves the right to modify product specifications or update documentation at any time.
Specifications and product information in English supersede that which is provided in any other language. For the most
recent version of any documentation, refer to: www.bannerengineering.com.
For patent information, see www.bannerengineering.com/patents.
2If the emitter diagnostic LED is solid red after cleaning the emitter and receiver lenses, consider replacing the receiver.
MINI-ARRAY® BASIC Two-Piece Measuring Light Curtain
16 www.bannerengineering.com - Tel: + 1 888 373 6767