If this doesn't get you into engineer mode then your system has LEVEL 3 ACCESS enabled. The display will say CHECKING TAMPERS, then SYSTEM MODULES WAS 04 NOW 04 (maybe yours will differ slightly). To exit engineer mode dial your 6 digit engineer code and press ESC. To enter engineer mode dial your 6 digit engineer code and press ENT, the screen will say ALERT CODE, then repeat 6 digit code and ENT, the display should say ENGINEER MODE.

If it was powered down successfully, then the keypad or display screen will be completely blank.I'm not an alarm expert so I'm not familiar with every single setting but I installed mine and have a fair understanding of it.Įntering engineer mode disables the tampers, thus allowing you to change your batteries, then exit engineer mode to restore the system. Check the panel's display screen or keypad to make sure that the system is powered down. You can then gently pull it out from the wall outlet.ģ. If this is the case, you will need a screwdriver to unscrew the transformer. Often, the transformer will be screwed into the wall outlet. You must unplug this transformer to power down your Honeywell System. There will be a plug-in transformer that runs from the security panel to the wall outlet. Disconnect the wires from both of these terminals to disconnect the battery.Ģ. There will be a positive terminal and a negative terminal on the battery. On a Honeywell VISTA Series panel, the backup battery is usually a large black box found inside the system's beige metal cabinet.

In this case, simply unplug the battery from the circuit board to disconnect the battery. The battery on a wireless Honeywell Panel will typically be plugged into the circuit board. On a wireless all-in-one panel, you may have to remove its back cover to access the battery. The location of this battery varies between different systems. Every Honeywell Control Panel has a backup battery.

To power off a Honeywell Alarm System, complete the following steps, in this order:ġ. You can confirm that the system has powered on by checking its display screen or keypad. It will usually take a few minutes for this process to complete. The panel should automatically turn back on. When you want to turn your system back on, first plug-in the transformer. Once both are disconnected, the panel will shut down. You should disconnect the backup battery before unplugging the transformer. These include its backup battery and its plug-in transformer. You can turn off your Honeywell Alarm System by disconnecting both of its power supplies.

Honeywell galaxy alarm change battery