Dukane 8971, 8970 Resetting all settings, Air filter is going to be choked, Air filter is choked

Troubleshooting

Regarding the indicator lamps (continued)

NOTE • When the interior portion has become overheated, for safety purposes, the projector is automatically shut down, and the indicator lamps may also be turned off. In such a case, disconnect the power cord, and wait at least 45 minutes. After the projector has sufficiently cooled down, please make confirmation of the attachment state of the lamp and lamp cover, and then turn the power on again.

For the SECURITY indicator, see SECURITY INDICATOR in the SECURITY menu (91).

For the SHADE indicator, see the section "Temporarily shading the screen" (36).

The FILTER indicator shows the condition of the air filter. Utilize this feature to keep the interior of the projector in good condition.

FILTER indicator	Description
Turned off	The air filter is clean.
	No need to clean up.
Lighting In Orange	The air filter is going to be choked.
	It is recommended to clean it.
Lighting In Red	The air filter is choked.
	It is required to turn the power off and clean the air filter
	immediately.

NOTE • The FILTER indicator might light up in orange or red when something blocks the intake vents even though the air filter is clean.

•The FILTER indicator might light up differently from other indicators or display messages related to cleaning the air filter. Follow the prompt that is displayed earlier.

Resetting all settings

When it is hard to correct some wrong settings, the FACTORY RESET function of SERVICE item in OPTION menu (73) can reset all settings (except settings such as LANGUAGE, LAMP TIME, FILTER TIME, FILTER MESSAGE, STANDBY MODE, COMMUNICATION, SECURITY and NETWORK) to the factory default.

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