What are the steps to default a DS7090 or DS7090i?
To set panel back to factory default perform the following:
Caution - This will erase all programming except for the phone numbers. What may prevent the panel from being set to factory default is a security feature called anti-takeover. If this is enabled the panel will not be able to be set back to factory default
Enter into program mode by the installer code # 0 ( 98765 # 0 ) is the default code, or short the little silver dots next to the last zone on the panel for 4 seconds with a jumper wire.
** Enter 839#, the beeper should sound for steady.
Short the same 2 pins, and the panel should be back to factory default.
** When the step is followed and a 3-beep error tone is generated while after 839# is entered. This panel is lock and will need to be reset at Bosch Security System for a fee. Contact our repair department a 800-289-0096 Ex 4220 M - F 8 a.m. - 5 p.m. EST
When does the D128 dual phone line switcher module indicate a phone line failure?
An amber phone line status LED lights on the D128 module when the control/communicator measures less than 25VDC or 10mA of current across the tip and ring of the telephone line. The D8112 and D9112 monitor the telephone lines for a programmable interval before indicating a trouble condition.
Overview: Charging circuit is overcharging the battery. Panel is damaged.
Reading 15vdc on the battery charging circuit.
Replace the panel. The voltage regulator is failing on the panel.