Dukane 28A9017 - Manual (Page 47)

47
Troubleshooting
Before consulting your authorized dealer, please check the following points.
Symptom Probable cause Corrective action Page
Power is not sup-
plied.
Light is not emitted,
or light is dim.
With power on, the
projector works but
stops abruptly in a
few minutes.
Video image does
not appear, or audio
sound does not oc-
cur.
24
25, 27, 44
25, 27, 46
25, 27, 43, 44, 45
24
43, 44, 45
7, 8, 15, 25, 27
46
25, 26
21, 22
— — — — —
19, 20
37
27
29
Is the power cord disconnected?
Is the light-source lamp cover closed correctly?
Is the filter inserted correctly?
Has the lamp life expired? (Has the lamp time
reached 2000 hours?)
Is the lens cap removed?
Is the lamp near exhaustion?
Is the air inlet or exhaust vent area blocked?
Is the filter dirty?
Is the correct input terminal selected?
Are devices connected correctly?
Are signals being supplied from the connected
devices?
Are input signals (scanning frequency, etc.)
appropriate?
Is “Brightness” adjusted correctly?
Is volume level set at minimum?
Are video and audio temporarily turned off by
the HIDE button being pressed?
• Insert the power cord (plug) firmly.
• After the projector goes into the stand-by
state with the STAND BY indicator on, un-
plug from the main power outlet, close the
light- source lamp cover correctly and plug
in again.
• After the projector goes into the stand-by
state with the STAND BY indicator on, un-
plug from the main power outlet, insert the
filter properly and plug in again.
• After the projector goes into the stand-by state
with the STAND BY indicator on, un-plug from
the main power outlet, replace light-source
lamp and plug in again.
Reset the “Lamp time” after replacing the
lamp.
• Remove the lens cap.
• Check the “Lamp time” on the menu, and if
the lamp is near exhaustion, prepare a new
lamp and install as soon as possible.
• After the projector goes into the stand-by state
with the STAND BY indicator on, un-plug from
the main power outlet, remove any blocking
object and plug in again.
• Clean filter.
• Select the correct input with the VIDEO and
PC buttons.
• Connect devices correctly.
• Set connected devices correctly.
• Check if the signal is appropriate (scanning
frequency, etc.) and input the appropriate sig-
nal.
• Adjust “Brightness” using the menu.
• Adjust volume with the VOLUME buttons.
• Press the HIDE button to turn video and au-
dio on.