Barco FLM series Service Manual page 47

Situation
The maximum allowed projector tilt
range is exceeded.
Error 7937 : "Waterflow"
No water flow detected. This error is not preceded with a warning.
Situation
Interruption of the liquid cooling
circuit.
Electrical disconnected flow switch
(ref F image 3-21).
Note: The FLM HD has no flow
switch.
No or insufficient liquid inside the
cooling circuit. The pump is sucking
air and sounds noisier then normal.
Malfunction pump. You don't feel
any vibrations when touching the
pump after activating the "Refill
mode" via the user interface:
Service > Refill mode >
Yes
Note: to exit the "Refill mode" you
have to switch off the projector.
Defect flow switch. The pump is
functioning normally in the "Refill
mode" but the projector displays a
water flow error.
Note: The FLM HD has no flow
switch.
F
Image 3-21
F Flow switch.
C Wire unit flow switch.
Error 7938 : "Lamp not inserted well"
Situation
The lamp house is not correctly
installed in its compartment.
Error 7939 : "Prism"
This is a warning.
R59770072 FLM SERIES 19/03/2007
Solution
Place the projector within the maximum allowed tilt range. See owners manual for
maximum tilt range.
Solution
Check if the loop of the liquid cooling circuit is closed.
Reconnect the wire unit (ref C image 3-21) of the flow switch.
Fill the cooling circuit with liquid and expel all air. Pressurize the circuit. See chapter
"FLM liquid cooling circuit", page 153.
• Clean the bearings of the cooling pump. See chapter "Maintaining the cooling
pump", page 190.
• Replace the cooling pump. See procedure "Cooling pump body replacement",
page 194.
Tip: It's not necessary to drain the cooling circuit of the light processor. Bypass this
part of the cooling circuit.
Drain the liquid cooling circuit, replace the flow switch, fill and pressurize the liquid
cooling circuit.
Tip: It's not necessary to drain the cooling circuit of the light processor. Bypass this
part of the cooling circuit.
C
Solution
Check if the lamp house is properly installed. Ensure that the three fixation screws of
the lamp house are fastened. See procedure "Installation of the lamp house", page 91.
3. Troubleshooting
45