Fusion > Lavinia

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The main AC fuse would blow if there is a direct short across the AC line. This could be caused by a:1. Defective I/O PC Board (-3180) To check - unplug the control box AC power cable (2 wire) fro...
The following could cause the fuse to blow in the power supply with devices shipped prior to 8-24-2015 with solenoid driven when Chexit device is arming. Wrong power supply Confirm PS873 or...
Chexit devices shipped prior to 8-24-2015 with solenoid - the solenoid pulls and drops, the alarm sounds, there is a solid LED or no LED light after the rearm t...
If AC fuse blowing on a  PS914 power supply then the mother board is defective. You need to replace the power supply with a new one.
The old MPB842 power supply will power up to two EL electric panic bars but will not power the QEL devices.  A defective potted module inside the electric panic bar or defective power supply coul...
The DC output fuse in the PS873 power supply is 4 AMP slow blow.