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Fusion > Lavinia
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Question
Answer
What would cause a 4600 (4630/4640) to keep blowing fuses as soon as the 120VAC cable is plugged into control box?
Resolution:
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...:
Why does the fuse blow in the power supply when arming the Von Duprin Chexit device?
Resolution:
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...:
Why is my Von Duprin CX going into a weak alarm after the rearm delay?
Resolution:
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...:
AC is fuse blowing on a PS914 when AC power is applied.
Resolution:
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.:
Will the MPB-842 or MPB-840 power EL or QEL devices?
Resolution:
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...:
What size is the fuse in the PS873?
Resolution:
The DC output fuse in the PS873 power supply is 4 AMP slow blow.: