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.
What are the enviromental considerations for the proper operation of the Bosch control/communicators?
Relative Humidity 5% to 85% noncondensing at +86 degrees Fahrenheit (+30 degrees Celsius).
Operating temperature would be +32 degrees Fahrenheit to +120 degrees Fahrenheit ( 0 degrees Celsius to 49 degrees Celsius ).