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E. Troubleshooting
Error
code
Description Error Warning
Caused by
Action
7908 Fan inlet A low Yes Yes Fan is running too slow or not at all
If problem persists, call a qualified
service engineer
7906 Fan inlet B low Yes Yes Fan is running too slow or not at all
If problem persists, call a qualified
service engineer
7904 Fan lamp 1
back low
Yes Yes Fan is running too slow or not at all If problem persists, call a qualified
service engineer
7902 Fan lamp 2
back low
Yes Yes Fan is running too slow or not at all
If problem persists, call a qualified
service engineer
7900 Fan lamp 3
back low
Yes Yes Fan is running too slow or not at all
If problem persists, call a qualified
service engineer
7899 Fan lamp 3
back high
-
Yes
7898 Fan lamp 4
back low
Yes Yes Fan is running too slow or not at all If problem persists, call a qualified
service engineer
7896 Fan prism low Yes Yes Fan is running too slow or not at all
If problem persists, call a qualified
service engineer
7894 Fan color
wheel low
Yes Yes Fan is running too slow or not at all
If problem persists, call a qualified
service engineer
7892 Fan lamp 1
front low
Yes Yes Fan is running too slow or not at all If problem persists, call a qualified
service engineer
7890 Fan lamp 2
front low
Yes Yes Fan is running too slow or not at all
If problem persists, call a qualified
service engineer
7888 Fan lamp 3
front low
Yes Yes Fan is running too slow or not at all
If problem persists, call a qualified
service engineer
7886 Fan lamp 4
front low
Yes Yes Fan is running too slow or not at all If problem persists, call a qualified
service engineer
7884 Pump speed
low
Yes Yes
Badornowaterflow in the cooling
circuit
If problem persists, call a qualified
service engineer
7883 Pump speed
high
-
Yes Ignore this message
7878
Over temp
Yes Yes
extreme overheading of DMD or
lamps
If problem persists, call a qualified
service engineer
7877 Under temp DMD too cold Warm up the projector
7876 SMPS input
range
Supplied voltage is out of range Check supplied voltage range
7875 DMD temp
open
Yes Yes
Sensor not connected If problem persists, call a qualified
service engineer
7874 DMD temp
short
Yes Yes short circuit in sensor circuit
If problem persists, call a qualified
service engineer
7873 Ambient temp
open
Yes Yes Sensor not connected If problem persists, call a qualified
service engineer
7872 Ambient temp
short
Yes Yes short circuit in sensor circuit
If problem persists, call a qualified
service engineer
7871
TEC temp open
Yes Yes
Sensor not connected If problem persists, call a qualified
service engineer
7870 TEC tempshort Yes Yes short circuit in sensor circuit If problem persists, call a qualified
service engineer
7865 Lamp 1 run
time msg
exceeded
-
Yes
Run time of lamp 1 will be exceeded
Replace the lamp with a new one.
Call a qualified service engineer
7864 Lamp 1 run
time warning
exceeded
-
Yes
Run time of lamp 1 is exceeded
Replace the lamp with a new one.
Call a qualified service engineer
7863 Lamp 1 run
time max
exceeded
-
Yes The maximum run time for the lamp
is exceeded
Replace the lamp with a new one.
Call a qualified service engineer
R59770057 CLM HD8 15/03/2010 207