Bosch Appliances EX27 Troubleshooting Guide, Problem Possible Likely Cause Solution

Page 40

12. TROUBLESHOOTING GUIDE

	PROBLEM		POSSIBLE	LIKELY
			CAUSE	SOLUTION

	No Video		1. Power Supply:
			-Connections….	Check input power
				connections at the
				cable leads.
				Check for loose
				wires.

-Voltage Range...	If connected to DC,
	check voltage input
	range of 10.5 - 40 V.
	If connected to AC,
	check input voltage
	range of 12 – 28 V.
	Measure the voltage
	at the Input terminal
	block.

40

Image 40

Contents EX27/EX27N/EX27D Important Safety Instructions Page 89/336/EEC Electromagnetic Compatibility Directive Page Index EX27/27N/EX27D Description EX27/EX27N/EX27D camera assembly UnpackingEX27/EX27N Mechanical Specifications EX27D Mechanical Specifications Initial Preparations Following installation guidelines must be followed GuidelinesVoltage Input 12VDC or 24VAC Electrically Isolated BoardCamera and Lens Access Remove the four cap screws with a 3mm Allen key. See -1onRear Housing Removal Camera and Lens Access Photocell Adjustments EX27/EX27D Day/Night Switch Adjustment Lens Adjustments EX27 Vari-focal Lens Focus AdjustmentPage OSD Menu System Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Troubleshooting Guide Problem Possible Likely Cause SolutionNo Video cont’d Poor Picture Quality Poor Picture Quality General Specifications Subject to Change Without NoticePage Page Page