D. Troubleshooting
Error
code
Description Error Warning
Caused by
Action
7664 Blue block
temp high
Yes Yes High temperature on blue DMD
cooling block
Check if air slots are free.
Clean air filters.
If problem persists, call a qualified
service engineer
7663 Blue block
temp open
Yes Yes Temperature sensor on blue DMD
cooling block not connected
Call a qualified service engineer
7662 Blue block
temp short
Yes Yes Temperature sensor on blue DMD
cooling block shorted
Call a qualified service engineer
7660 Engineair temp
high
Yes Yes High temperature on engine
Check if air slots are free.
Clean air filters.
If problem persists, call a qualified
service engineer
7659 Engineair temp
open
Yes Yes Temperature sensor on engine not
connected
Call a qualified service engineer
7658 Engineair temp
short
Yes Yes Temperature sensor on engine
shorted
Call a qualified service engineer
7999 Fan speed
cathode too
low
Yes Yes
fan is running too slow or not at all If problem persists, call a qualified
service engineer
7998 Fan speed
cathode high
-
Yes
7997 Fan speed
anode too low
Yes Yes fan is running too slow or not at all If problem persists, call a qualified
service engineer
7996 Fan speed
anode high
-
Yes
7995 Fan speed
engine too low
Yes Yes
fan is running too slow or not at all If problem persists, call a qualified
service engineer
7994 Fan speed
engine high
-
Yes
7993 Fan speed cold
mirror too low
Yes Yes
fan is running too slow or not at all If problem persists, call a qualified
service engineer
7992 Fan speed cold
mirror high
7991 Fan speed heat
ex. too low
Yes Yes fan is running too slow or not at all If problem persists, call a qualified
service engineer
7990 Fan speed heat
ex. high
-
Yes
7989 Fan speed
smps 1 too low
Yes Yes
fan is running too slow or not at all If problem persists, call a qualified
service engineer
7987 Fan speed
smps 2 too low
Yes Yes
fan is running too slow or not at all If problem persists, call a qualified
service engineer
7985 Red DMD temp
low
No Yes low temperature on dmd turning on the lamp will heat up the
dmd
7984 Red 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
7983
Green DMD
temp low
No Yes low temperature on dmd turning on the lamp will heat up the
dmd
7982 Green 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
7981 Blue DMD
temp low
No Yes low temperature on dmd turning on the lamp will heat up the
dmd
214 R5976986 FLM HD18 15/03/2010