Barco DP2K SLP Series Service Manual page 352

Troubleshooting
Code 20168: "LCM 1 – Coolant liquid out temperature sensor short"
Situation
Malfunctioning temperature
sensor
Code 20169: "LCM 1 – Coolant liquid out temperature sensor open"
Situation
Temperature sensor
unplugged
Defective LCB
Malfunctioning temperature
sensor
Code 20170: "LCM 1 – Coolant liquid in temperature too low"
Situation
Environmental conditions are
not within spec
Light Source power cut
Defective LCB
Malfunction temperature
sensor
Code 20173: "LCM 1 – Coolant liquid in temperature too high"
Situation
Delta temperature coolant in-
out becomes too high
Defective LCB
Malfunction temperature
sensor
Code 20174: "LCM 1 – Coolant liquid in temperature sensor short"
For this error the same troubleshooting table can be applied to as for code 20168: "LCM1 – Coolant liquid
out temperature short".
352 R5906848 /04 DP2K SLP Series
Solution
Replace the Light Source. See procedure "Laser Phosphor Light Source",
page 59.
Solution
Check / reseat temperature cable on the LCB (J404).
Replace the Laser Control Board (LCB). See service procedure "Replacing
the Laser Control Board (LCB)", page 64.
Replace the Light Source. See procedure "Laser Phosphor Light Source",
page 59.
Solution
Check environmental conditions. Ensure that the environmental conditions
comply with the installation specifications. See installation manual for
detailed installation requirements.
In case of a new installed Light Source, let the complete system
acclimatize.
Switch off the Light Source and wait a few hours.
Replace the Laser Control Board (LCB). See service procedure "Replacing
the Laser Control Board (LCB)", page 64.
Replace the Light Source. See procedure "Laser Phosphor Light Source",
page 59.
Solution
Check the level of the cooling liquid. Add liquid if necessary. See
procedure "Liquid cooling circuit", page 91.
Replace the Laser Control Board (LCB). See service procedure "Replacing
the Laser Control Board (LCB)", page 64.
Replace the entire Light Source. See procedure "Laser Phosphor Light
Source", page 59.