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D. Troubleshooting
Error
code
Description Error Warning
Caused by
Action
7980 Blue DMD
temp high
Yes Yes high temperature on dmd
check if air slot are free; clean air
filters
If problem persists, call a qualified
service engineer
7978 Lamp temp
high
Yes Yes high temperature lamp check if air slot are free; clean air
filters If problem persists, call a
qualified service engineer
7976
SMPS HS temp
high
Yes Yes high temperature on smps
check if air slot are free; clean air
filters If problem persists, call a
qualified service engineer
7974 Ambient temp
high
Yes Yes ambient temperature above
specification
check ambient conditions
check if air slot are free; clean air
filters
7973 Fan 1 voltage
low
Yes Yes
voltage on fan group 1 too low (=
cathode fan)
Hardware problem in Fan control
board, call a qualified service
engineer
7972 Fan 1 voltage
high
-
Yes
voltage on fan group 1 too high
Hardware problem in Fan control
board, call a qualified service
engineer
7971 Fan 2 voltage
low
Yes Yes voltage on fan group 2 too low (=
anode fan)
Hardware problem in Fan control
board, call a qualified service
engineer
7970 Fan 2 voltage
high
-
Yes
voltage on fan group 2 too high
Hardware problem in Fan control
board, call a qualified service
engineer
7969 Fan 3 voltage
low
Yes Yes
voltage on fan group 3 too low (=
engine fan)
Hardware problem in Fan control
board, call a qualified service
engineer
7968 Fan 3 voltage
high
-
Yes voltage on fan group 3 too high Hardware problem in Fan control
board, call a qualified service
engineer
7967 Fan 4 voltage
low
Yes Yes
voltage on fan group 4 too low (=
cold mirror + head ex. fan)
Hardware problem in Fan control
board, call a qualified service
engineer
7966 Fan 4 voltage
high
-
Yes
voltage on fan group 4 too high (=
cold mirror + head ex. fan)
Hardware problem in Fan control
board, call a qualified service
engineer
7965 Fan 5 voltage
low
Yes Yes voltage on fan group 5 too low (=
mains input fan)
Hardware problem in Fan control
board, call a qualified service
engineer
7964 Fan 5 voltage
high
-
Yes
voltage on fan group 5 too high
mains input fan)
Hardware problem in Fan control
board, call a qualified service
engineer
7963 Fan 6 voltage
low
Yes Yes
voltage on fan group 6 too low (=
smps fan)
Hardware problem in Fan control
board, call a qualified service
engineer
7962 Fan 6 voltage
high
-
Yes voltage on fan group 6 too low (=
smps fan)
Hardware problem in Fan control
board, call a qualified service
engineer
7959 Pump voltage
low
Yes Yes voltage on pump too low
If problem persists, call a qualified
service engineer
7958 Pump voltage
high
-
Yes voltage on pump too high
If problem persists, call a qualified
service engineer
7957 30V voltage
low
No Yes supply voltage for fans too low If problem persists, call a qualified
service engineer
7956 30V voltage
high
No Yes
supply voltage for fans too high If problem persists, call a qualified
service engineer
7955
VTEC voltage
low
No Yes
supply voltage for DMD cooling too
low
If problem persists, call a qualified
service engineer
R5976986 FLM HD18 15/03/2010 215