Bosch Appliances DS7400XI, DS7445I General System Problems Continued, Symptom, Probable Cause

General System Problems (Continued)

Symptom	Probable Cause		Possible Solution
Power LED is flashing, keypad	A control trouble exists.	Press #87 to determine the trouble condition.
displays Control Trouble Press #87.
#87 display = Oct. Relay Fault	a) The octal relay module (DS7488) is	a) Check the wiring to the module.
#89 display = System Fault 20	defective or the wiring to the module is
	defective.	b) Enter, then exit programming mode. This will re-
	b) There is no DS7488 or a DS7488 has		scan the options bus and clear the problem.
	been removed from the system.
#87 display = Multiplex Bus Fault	The Multiplex Bus is defective or shorted.	Check wiring for shorts.
Can’t reset to factory default.	Keypad programming access is set to	Change setting to FULL from the Remote
	PARTIAL from Remote programmer.	programmer.
#87 display = RAM Fault		a) An EEProm		fault can be caused by
#89 display = System Fault 01			disconnecting power from the control while it is
			in program mode. In this case, enter then exit
or			program mode to clear.
#87 display = ROM Fault		b)	Try to clear the error at the keypad by entering a
#89 display = System Fault 02			PIN then Reset.
or		c)	Remove AC and battery power, then re-apply.
#87 display = EEProm Fault			Remember that event history will be lost and
			time/date will have to be re-set.
#89 display = System Fault 03
		d) If error persists, return the panel to factory default
			programming by setting program address 4058
			to “01”. If the error clears, re-program the panel.
		e)	If error still persists, replace the panel.
#87 display = Communicator Err	The control has failed to communicate.	Check history #89 to determine the source:
#89 display = Report Failure X
		Report Failure 1 = Phone number 1
		Report Failure 2 = Phone number 2
		Report Failure 3 = Phone number 3
				(remote programmer)
		Report Failure 4 = DS7416i Communications fault
#87 display = 2Ph/Bell Fault	a) The dual phone line/bell supervision	a)Check the wiring to the module.
#89 display = System Fault 10	module (DS7420i) is defective or the
	wiring to the module is defective.
	b) There is no DS7420i or a DS7420i has	b)	Enter, then exit programming mode. This will re-
	been removed from the system.		scan the options bus and clear the problem.
#87 display = Line 1 Fault	There is a phone line fault on line 1.	Check phone line 1 for proper operation.
#89 display = System Fault 11
#87 display = Line 2 Fault		Check phone line 2 for proper operation. If you wish
#89 display = System Fault 12		to monitor only one phone line, reprogram address
		4021.
#87 display = Bell Fault	There is a phone line fault on line 2.	Check the bell circuit wiring. Be sure that the end-
#89 display = System Fault 13		of-line resistor is in place. If you don’t wish to use
		the bell circuit, place an end-of-line resistor across
		the bell terminals.
#87 display = Aux. Output Fault	The bell circuit on the DS7420i is open or	Check the auxiliary circuit wiring. Be sure that the
#89 display = System Fault 14	shorted.	end-of-line resistor is in place. If you don’t wish to
	The auxiliary circuit on the DS7420i is open	use the auxiliary circuit, place an end-of-line resistor
	or shorted.	across the auxiliary terminals. If you wish to use the
		auxiliary circuit but do not wish to supervise it, cut
		the auxiliary supervision jumper on the DS7420i.
Page 90 P/N: F01U035325-01	Copyright © 2007 Bosch Security Systems, Inc.			DS7400Xi (4+) Reference Guide