3. Troubleshooting
Situation Solution
Malfunction TEC of the involved
DMD. Use the “diode test” of a
multi-meter to check out the TEC.
Polarity doesn’t matter. The TEC is
not OK in case the measured value
is higher then 0,01 volt.
Remove the light processor from its compartment and replace the malfunction TEC.
If problem persist contact Barco for further instructions.
Poor assembly of DMD or Peltier +
cooler block.
Reinstall the Peltier.
Error 7985 : “Red DMD temp low”
This is a warning.
Situation Solution
The electronics of the light
processor remains off due to a low
DMD temperature.
Turning on the lamp will heat up the light processor and the DMD’s.
Error 7987 : “Fan speed smps 2 too low”
This error may be preceded by a warning.
Situation Solution
Disconnected wire unit.
Reconnectthewireunitofthefan.
Blocked fan. Unblock the fan. Ensure that the fan can turn freely.
Damaged wire unit.
Check if the wire unit of the fan is not damaged. Repair if possible, otherwise replace
with new one.
Fan end of life. Replace the fan. See "SMPS fans", page 270.
Error 7989 : “Fan speed smps 1 too low”
This error may be preceded by a warning.
Situation Solution
Disconnected wire unit.
Reconnectthewireunitofthefan.
Blocked fan. Unblock the fan. Ensure that the fan can turn freely.
Damaged wire unit.
Check if the wire unit of the fan is not damaged. Repair if possible, otherwise replace
with new one.
Fan end of life. Replace the fan. See "SMPS fans", page 270.
Error 7991 : “Fan speed heat ex. too low”
This error may be preceded by a warning.
Situation Solution
Disconnected wire unit.
Reconnectthewireunitofthefan.
Blocked fan. Unblock the fan. Ensure that the fan can turn freely.
Damaged wire unit.
Check if the wire unit of the fan is not damaged. Repair if possible, otherwise replace
with new one.
Fan end of life. Replace the fan. See"Heat exchanger fan", page 234.
Error 7993 : “Fan speed cold mirror too low”
This error may be preceded by a warning.
R59770072 FLM SERIES 19/03/2007
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