Barco HDF W series Service Manual

5. Troubleshooting
Code 7937: “Fan speed heat exchanger front too low” (Warning)
Situation Solution
Partial b locked heat exchanger fan
(reference 1image 5-52) Fan is still
turning but som ething slows down
the fan speed.
Unblock the fan. Ensure that the fan can turn freely. Fan is mounted above the heat
exchanger.
Damaged wire unit (reference
2image 5-52 and reference
20image 5-49)
Check if the wire unit of the fan is not damaged. Repair if possible, otherwise replace
with new one.
Malfunction Fan Control bo ard. Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Heat ex changer fan end of life. Replace the fan. See "Replacing the heat exc hanger fan", page 290.
1
2
Image 5-52
Code 7938: “Fan speed heat exchanger front too high” (Warning)
Situation Solution
Malfunction heat exchanger fan
(reference 1 image 5-50).
Replace the Fan. See "Replacing the heat exchanger fan", page 290.
Malfunction Fan Control bo ard. Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Code 7939: “Fan speed heat exchanger front too high” (Error)
This error code is probably preceded by the warning c ode 7938: “Fan speed heat ex changer too high”. The same troubleshooting
table can be applied to.
Code 7940: “Fan speed mains input too low” (Erro
r)
This error code is probably preceded by the warning code 7940: “Fan speed m ains input too low”. T he same troubleshooting table
can be applied to.
Code 7941: “Fan speed mains input too low” (Warning)
Situation Solution
Partial blocked mains input fan
(reference 2image 5-53) Fan is still
turning but som ething slows down
the fan speed.
Unblock the fan. Ensure that the fan can turn freely.
Damaged wire unit (reference
1image 5-53 and reference
20image 5-49)
Check if the wire unit of the fan is not damaged. Repair if possible, otherwise replace
with new one.
Malfunction Fan Control bo ard. Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Mains input fan end of life. Replace the fan. See "M ains input fan", p age 295.
80 R5905312 HDF W SERIES 24/01/2013

Barco HDF W series Specifications

General

Brand	Barco
Model	HDF W series
Category	Projector
Language	English