Cobra Electronics CPI 300 Maintaining Your, Inverter, Service, 6TROUBLESHOOTING GUIDE, Problem

6TROUBLESHOOTING GUIDE

Problem/	Possible	Solution
Symptom	Causes

Maintaining Your	MAINTENANCE & SERVICE 7
	• Questions can be faxed to
Inverter	773-622-2269.

Low output voltage	Overload	Reduce the load.
No output voltage	Low input	Recharge battery.
	voltage	Check connections
		and cable.
	Short circuit or	Check AC wiring for short
	wiring error	circuit or improper polarity.
No output voltage	High input	Make sure the inverter
and ”fault“	voltage	is connected to a
indicator is lit		12 volt battery.

Your CPI 300 requires very little maintenance to keep it operating properly. The exterior of the unit should be cleaned periodically with a damp cloth to prevent accumulation of dust and dirt. At the same time, tighten the screws on the DC input terminals. Keep vents and fans free from dust or debris.

•Automated Technical Assistance is available

24 hours, 7 days a week via e-mail at: productinfo@cobra.com.

•On-line answers to frequently asked questions can be found at: www.cobra.com

		Check regulation of
		charging system.
No output voltage	Thermal	Allow inverter to cool down
when load is in	shutdown	Improve ventilation—
excess of 300 watts		make sure ventilation
or 2.6 amperes		openings in the inverter
		aren’t obstructed. Lower
		ambient temperature.
Low battery	Poor DC wiring,	Use proper cable.
alarm sounds	poor battery	Ensure good connections.
continuously	connection	Use new battery.

Service

You can receive technical assistance with your unit through one of our customer support services:

•Automated Help Desk

is available 24 hours a day, 7 days a week at 773-889-3087.

•Customer Service Operators are available at

773-889-3087 Monday through Friday, 8:00 a.m. to 6:00 p.m. CST.

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