5. Troubleshooting
Code 7631: “Air out temp low” (Warning)
Situation Solution
The ambient temperature in the
area of the projector is almost below
the minimum required operating
temperature of the pr ojector.
Make sure that the ambient tem perature is within specs: higher then 10°C (50°F). Let
the projector acclim ate. Do not ignite the lamp, otherwise there is a risk for condensate.
Defect temperature sensor
(reference 11 im age 5-27) which
measures the temperature at the air
outlet (projector rear side).
Replace the temperature sens or at the air outlet channel.
11
Image 5-27
Code 7632: “Air out temp high” (Warning)
Situation Solution
Blocked air inlet channel. Ensure that the air inlets are not blocked. P rovide a sufficient free area at the front of the
projector so that fresh air can freely enter the air inlet channel.
The wire unit of the temperature
sensor ( NT C) of the air outlet
is disconnected from the Power
distribution boar d.
Check if the wire unit (reference 11 image 5-28) of the temp erature sensor is connec ted
with the power distribution board.
Malfunction Fan Control bo ard. Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Defect temperature sensor
(reference 11 im age 5-27) which
measures the temperature at the air
outlet (projector rear side).
Replace the temperature sens or at the air outlet channel.
11
Image 5-28
Code 7633: “Air out temp high” (Error)
This error code is probably p
receded by the warning code 7632: “Air out temp high”. The s ame troubleshooting table can be applied
to.
R5905312 HDF W SERIES 24/01/2013
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