Barco HDF W series, Service Manual

Page: 72 / 337

5. Troubleshooting
Situation Solution
The wire unit of the SMPS is
disconnected from the Power
Distribution board. Check if the wire unit (reference 1 image 5-33) of the SMPS control is connected with the
power distribution board.
The wire unit of the temperature
sensor on the SMPS is damaged. Check if the wire unit (reference 1 image 5-34) of the temperature sensor on the SMPS
is not damaged. Replace sensor and wires if necessary.
Malfunction Fan Control board. Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Defect temperature sensor
(reference 1image 5-34) which
measures the temperature at the
secondary side of the SMPS. Replace the temperature sensor.
2
1
Image 5-34
Code 7699: “Power supply secondary temp high” (Error)
This error code is probably preceded by the warning code 7698: “Power supply secondary temp high”. The same troubleshooting
table can be applied to.
Code 7700: “Power supply secondary temp open” (Error)
Situation Solution
The wire unit of the SMPS is
disconnected from the Power
Distribution board. Check if the wire unit (reference 1 image 5-33) of the SMPS control is connected with the
power distribution board.
The wire unit of the temperature
sensor on the SMPS is damaged. Check if the wire unit (reference 1 image 5-34) of the temperature sensor on the SMPS
is not damaged. Replace sensor and wires if necessary.
Defect temperature sensor
(reference 1image 5-34) which
measures the temperature at the
secondary side of the SMPS. Replace the temperature sensor.
Code 7701: “Power supply secondary temp short” (Error)
Situation Solution
Damaged wire unit of the
temperature sensor (reference
1 image 5-34 and image 5-33). Repair or replace the wire unit.
Defect temperature sensor
(reference 1 image 5-34) which
measures the temperature at
heatsink of the secondary side of the
SMPS. Replace the temperature sensor mounted on the heatsink of the secondary side of the
SMPS (reference 1image 5-34).
Code 7702: “Power supply primary DCDC temp low” (Error)
This error code is probably preceded by the warning code 77023: “Power supply primary DCDC temp low”. The same troubleshoot-
ing table can be applied to.
68 R5905312 HDF W SERIES 24/01/2013