Von Duprin power source warranty

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Von Duprin warrants that the product manufactured by it and delivered here under will be free of defects in material and workmanship for a period as follows: Exit devices and trim for 36 months...
Finish is not specifically stated as being covered under warranty as it is covered under defects in material and workmanship.  EXCEPTION: There is no finish warranty for Falcon products. ...
Falcon lock warranty statementIves warranty statementGlynn-Johnson warranty statementLCN closer warranty statementSchlage warranty statementSteelcraft warranty statementVon Duprin warranty statement
Please contact the Allegion Product Support Team on all questions or inquiries pertaining to hardware finishes warranties. Please send an e-mail to the applicable Product Support team:Closers_TechP...
The warranty on the PS900 Schlage Electronics Power Supplies is 12 months from date of manufacture. The warranty is only valid for a true manufacturing defect in the power supply. Any customer dama...
The designated power source requirement needed by equipment in order to properly function.
The MA lock can be specified in a 12 or 24V DC configuration (default is 12V). Additionally, an AC power source may be used as long as a rectifier is installed in the circuit (not provided). He...
For additional details and a wiring diagram see the MA service manual page on electrical requirements here. 
There are three main failures with an ALK.  Problems are usually caused by a bad power source(battery), bad RX/LX Switch or a bad circuit board.  Try installing a new battery and wai...