Bosch Appliances DS7447E Zone Problems Continued, Symptom, Probable Cause, Possible Solution

Zone Problems (Continued)

	Symptom					Probable Cause		Possible Solution
Zones 9 and above show Not Ready,					a)	The multiplex expansion module is not	a)	Make sure the multiplex expansion module is
Zone Trouble.						installed properly.		seated properly in the upper pins on the
								DS7400Xi circuit board.
	Never	disconnect		the	b)	Multiplex wiring is missing or is not	b)	Check wiring and perform a system reset.
	power	when	in	the
	programming		mode.			installed properly.
	Always disconnect the				c)	8-Input remote module DIP switches	c)	Correctly set the DIP switches for the 8-Input
	Multiplex Bus or have the
	DS7430 or DS7436 in					are not set properly.		remote modules.
	the		disable		d)	8-Input remote module covers are	d)	Replace covers or install the tamper bypass
	programming		mode
	when	powering up		or		removed.		jumper.
	down.				e)	The BusLoc® code is set incorrectly or	e)	BusLoc® can not be used with 8-Input remote
						has not been programmed into		modules. If using 8-Input modules, remove the
						modules.		BusLoc® code.
								OR
								If using two-input remote modules or the
								DS7465, be sure to use BusLoc® when
								programming. If not using BusLoc®, be sure to
								remove the BusLoc® code from address 9999.
					f)	Zone Programming is incorrect.	f)	Program as a multiple zone input for DS7432 or
								DS7460, a single zone input for contacts and
								sensors, or program as a DS7465.
					g)	Multiplex module not programmed.	g)	Program the module.
					h)	Multiplex Bus voltage is 12VDC or	h)	Two modules are programmed with the same
								address. The problem will only occur when both
						greater. (Normal is approximately 8 to		modulees are off normal. Isolate the duplicate
						10VDC.)		module by disconnecting sections of the bus
								and performing a [PIN] + [System Reset].
								Reprogram modules.
								OR
								The system is in the programming mode. Exit
								the programming mode.
								OR
								Zones have been added to a system protected
								by Busloc®. Clear Busloc®.
					i)	Multiplex Bus voltage is 5VDC or less.	i)	There is a short on the multiplex bus.
								OR
								There is a bad module on the bus.
								OR
								One or more modules on the bus are connected
								backwards - reverse polarity.
Invisible or silent zone activates						(Normal is approximately 8 to 10VDC.)	Program the output to follow zone alarms (6).
alarm output.					The output is programmed as “latch on
					alarm” (0).
Keypad displays Fire Trouble, but					A ground fault condition exists.		See system trouble: Ground fault.
does not indicate any zones.
Keypad displays Not Ready, but no					An invisible zone is not ready.		Press [PIN] + [OFF] to display the zone number of
zone number is displayed.							the invisible zone that is not ready.

15.4General System Problems

Symptom	Probable Cause		Possible Solution
How to set the programming values	Enter a value of 01 in address 4058.	Caution:	Only enter a value of 01 in address
to the factory default.			4058 when you are sure you want to
			default the programming. Doing so will
			immediately erase all programming.

DS7400Xi ( 4+) Reference Guide Copyright © 2007 Bosch Security Systems, Inc. P/N: F01U035325-01 Page 89