Troubleshooting Power Supply

RELATED FAQS

Question
Answer
When the Ethernet communications suddenly stop working on a biometric hand reader, there is the set of questions to ask the customer to start the troubleshooting process.  They are detail orie...
  The super capacitor powers the AD300 motor to the correct power fail position, secure or unsecure, during a power fail event. When power is restored to an AD300 in the Power Fail secure ...
  Recognize the AD300 when first powered, or when recovering from a power loss, may NOT be fully functional for two minutes until the AD300 super capacitor is fully recharged. During this rec...
The entire series of mag locks that Schlage provides advertises 12vdc or 24vdc because they will automatically determine what voltage is being used and switch the internal circuitry based on that v...
The following items may cause the  PS900 series power supply to have no DC output voltage. 1. If  the DC voltage selection jumper is missing, the power supply will not provide any D...
The battery for the PS873 and PS914 are the same, 7AH sealed Lead Acid  battery.
Following could cause the 900-2RS board not to operate: If 900-2RS board is not plugged into the PS914 mother board. If PS914 power supply is selected for 12VDC instead of 24VDC. If control co...
The older 871-2Q card that was used on PS873 power supply will not work with PS914 power supply. You don't need to use the PS914 power supply with 900-2Q board, you can simply use the PS902 power ...
We no longer offer a delay egress board in the P900 series power supplies.
The delay egress is controlled in the exit device (Von Duprin Chexit), the magnetic lock, or other locking device.
The 900-4R is used with PS900 series power supplies and has four independent outputs and inputs with no time delay. You can use any of these outputs with electrified hardware including EL devices a...
  For Product Shipped Prior to August 2012 using the old (black) potted module: a.       0-100 ft 14 gauge wire b.      0-200 ft 12...
 
The PS914-2RS is required to operate the EL1690 exit device.
The optional boards for PS914 and PS 873 are not interchangeable.