Troubleshooting

Regarding the indicator lamps

When operation of the LAMP, TEMP and POWER indicators differs from usual, check and cope with it according to the following table.

POWER

LAMP

TEMP

Description

indicator

indicator

indicator

 

 

 

 

 

Lighting

Turned

Turned

The projector is in a standby state.

In Orange

off

off

Please refer to the section “Power on/off”.

Blinking

Turned

Turned

The projector is warming up.

In Green

off

off

Please wait.

Lighting

Turned

Turned

The projector is in an on state.

In Green

off

off

Ordinary operations may be performed.

Blinking

Turned

Turned

The projector is cooling down.

In Orange

off

off

Please wait.

 

 

 

The projector is cooling down. A certain error

Blinking

(discre-

(discre-

has been detected.

In Red

tionary)

tionary)

Please wait until POWER indicator finishes blinking,

and then perform the proper measure using the item

 

 

 

 

 

 

descriptions below.

 

 

 

The lamp does not light, and there is a possibility

 

 

 

that interior portion has become heated.

 

 

 

Please turn the power off, and allow the projector to

Blinking

 

 

cool down at least 20 minutes. After the projector has

In Red

Lighting

Turned

sufficiently cooled down, please make confirmation of

or

the following items, and then turn the power on again.

In Red

off

Lighting

• Is there blockage of the air passage aperture?

 

 

In Red

 

 

• Is the air filter dirty?

 

 

 

• Does the peripheral temperature exceed 35°C?

 

 

 

If the same indication is displayed after the remedy,

 

 

 

please change the lamp referring to the section “Lamp”.

 

 

 

The lamp cover has not been properly fixed.

Blinking

 

 

Please turn the power off, and allow the projector to

 

 

cool down at least 45 minutes. After the projector has

In Red

 

Turned

Blinking

sufficiently cooled down, please make confirmation of

or

In Red

off

the attachment state of the lamp cover. After performing

Lighting

 

 

any needed maintenance, turn the power on again.

In Red

 

 

 

 

If the same indication is displayed after the remedy,

 

 

 

 

 

 

please contact your dealer or service company.

 

 

 

The cooling fan is not operating.

Blinking

 

 

Please turn the power off, and allow the projector to

 

 

cool down at least 20 minutes. After the projector has

In Red

Turned

 

Blinking

sufficiently cooled down, please make confirmation

or

off

In Red

that no foreign matter has become caught in the fan,

Lighting

 

 

etc., and then turn the power on again.

In Red

 

 

 

 

If the same indication is displayed after the remedy,

 

 

 

 

 

 

please contact your dealer or service company.

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3Com 8913H, 8916, 8912H, 8755H user manual Regarding the indicator lamps

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