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“ battery for schalge hhd device? ”

Resolution: Warranty on the HHD is one (1) year from date of purchase. The battery for the HHD (Bluebird Pidion) is covered under warranty. However, as the batteries are not ...:

Why is the Von Duprin PS873 power supply buzzing or chattering?

Resolution: Some transformers in the power supplies provide a little humming noise and that is normal. If the humming in Von Duprin PS873 power supply is loud follow these steps. Remove the load from the outp...:

How many times can an EL device be operated when using a PS914-2RS with battery backup?

Resolution: The Von Duprin PS914-2RS retracts the EL or QEL device approximately 200 times with five second hold time after each pull.:

The Von Duprin 98 or 99 ALK kit will not sound the horn

Resolution: Followings are the reason for 98/99 exit alarm ALK not sound when push bar is activated. Make sure key switch on exit alarm ALK is turned on, wait for 20 seconds before you activating the pushba...:

How long will the battery back up work for on the PS914-900BBK?

Resolution: Attached table provides how long the battery back up will last with a PS914 power supply. Load (Amp DC) Battery backup time Comments 0.3 Amp 20 hours Continuous load ...:

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“ battery for schalge hhd device? ”

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