Marantz VP4001, Service Manual

Page: 17 / 66

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• If the temperature warning indic ator illuminates , and the projec tor enters s tandby mode, follow the
pos s ible s olutions above and then wait until the projec tor has c ooled down c ompletely before plug-
ging in the power c ord and turning the power bac k on. (At leas t 10 minutes .)
• If the power is turned off for a brief moment due to power outage or s ome other c aus e while us ing
the projec tor, and the power s upply rec overs immediately after that, the lamp indic ator will illumi-
nate in red and the lamp may not be lit. In this c as e, unplug the power c ord from the AC outlet,
replac e the power c ord in the AC outlet and then turn the power on again.
• The c ooling fan keeps the internal temperature of the projec tor c ons tant and this func tion is c on-
trolled automatic ally. The s ound of the c ooling fan may c hange during operation bec aus e the fan
s peed may c hange and this is not a malfunc tion.
• Do not unplug the power c ord after the projec tor has entered s tandby mode and while the c ooling
fan is running. The c ooling fan runs for about 90 s ec onds .
Maintenance indicator
Problem
The internal
temperature is
abnormally
high.
The lamp does
not illuminate.
Time to c hange
the lamp.
The lamp does
not illuminate.
The power
indic ator blinks
in red when the
projec tor is on.
Cause
• B loc ked air intake
• C ooling fan
breakdown
• Internal c irc uit
failure
• C logged air intake
• The lamp is s hut
down abnormally.
• R emaining lamp life
bec omes 5% or
les s .
• B urnt-out lamp
• Lamp c irc uit failure
• The lamp unit c over
is open.
Possible Solution
• R eloc ate the projec tor to
an area with proper
ventilation.
• S ee "TR OUB LE S HOOTING
TAB LE ".
• Dis c onnec t the power c ord
from the AC outlet, and
then c onnec t it again.
• C arefully replac e the lamp.
• S ee "TR OUB LE S HOOTING
TAB LE ".
• Pleas e exerc is e c are when
replac ing the lamp.
• S ec urely ins tall the c over.
• If the power indic ator blinks
in red even when the lamp
unit c over is s ec urely
ins talled, s ee "TR OUB LE
S HOOTING TAB LE ".
Abnormal
R ed on
(S tandby)
R ed on
R ed on
(S tandby)
R ed
blinks
Tempera-
ture
warning
indic ator
Lamp
indic ator
Power
indic ator
Normal
Off
G reen on
(G reen
blinks
when the
lamp is
warming
up or
turning
off.)
G reen on/
R ed on
G reen
blinks
(C ooling)
Info