Nec NP40 User Manual download pdf (Page 60)

7. A ppendix

➊

Troubleshooting

This section helps you resolve problems you may encounter while setting up or using the projector.

Indicator Messages

Power Indicator

Status Indicator

Lamp Indicator

Over-Temperature Protection

If the temperature inside the projector rises too high, the over-temperature protector will automatically turn off the lamp with

the STATUS indicator blinking (2-cycle On and Off.)

Should this happen, do the following:

- Unplug the power cable after the cooling fans stop.

- Move the projector to a cooler location if the room where you are presenting is particularly too warm.

- Clean the ventilation holes if they are clogged with dust.

- Wait about 60 minutes until the inside of the projector becomes cool enough.

Indicator Condition Projector Condition Note

Off The main power is off –

Blinking light Green 0.5 sec On,

0.5 sec Off

The projector is getting ready

to turn on.

Wait for a moment.

2.5 sec On,

0.5 sec Off

Off Timer is enabled. –

Orange 0.5 sec On,

0.5 sec Off

The projec tor is cooling

down.

Wait for a moment.

Steady light Green The projector is turned on. –

Orange The projector is in Standby. –

Indicator Condition Projector Condition Note

Off Normal –

Blinking light Red 1 cycle (0.5 sec

On, 2.5 sec Off)

Lamp cover error or lamp

housing error

Replace the lamp cover or lamp housing correctly.

2 cycle (0.5 sec

On, 0.5 sec Off)

Temperature error The projector is overheated. Move the projector to a

cooler location.

3 cycle (0.5 sec

On, 0.5 sec Off)

Power error Power unit is not work ing properly. Contact your

dealer.

4 cycle (0.5 sec

On, 0.5 sec Off)

Fan error Fans will not work correctly.

6 cycle (0.5 sec

On, 0.5 sec Off)

Lamp error Lamp fails to light. Wait a full minute and then turn on

again.

8 cycle (0.5 sec

On, 0.5 sec Off)

Cooling pump error • The two screws on the lamp housing are not com-

pletely tightened. Tighten the two screws alternately

until both screws are completely tightened.

• The cooling pump is not working properly. Contact

your dealer.

Green Re-firing the lamp (The pro-

jector is cooling down.)

The projector is re-ﬁ ring.

Wait for a moment.

Steady light Orange Control Panel Lock is on. You have pressed cabinet button when Control Panel

Lock is on.

Indicator Condition Projector Condition Note

Off Normal –

Blinking light Red Lamp has reached its end of life. Lamp

replacement message will be displayed.

Replace the lamp.

Steady light Red Lamp has been used beyond its limit.

The projector will not turn on until the

lamp is replaced.

Replace the lamp.

Green Lamp mode is set to Eco mode. –

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Nec NP40 User Manual Page 60

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