7 | Warning and error messages INFICON
104 / 152 UL3000-Fab-ULTRA-Operating-instructions-iinb73en1-09-(2109)
Type Notification Possible sources of
error
Remedy
E404 TMP current consumption
too high
Pressure in the TMP is
too high
• Contact customer service
W405 No TMP run-up Inlet pressure during
run-up too high
• Check that the backing pump is working
during run-up
• Check that the pressure drops during run-
up
• Contact customer service
TMP bearing damage • Contact customer service
E410 TMP temperature too high The ambient
temperature is too high
• Turn off the device and let it cool down
• Reduce the temperature in the
environment where the device is located
Air filter dirty • Clean the air vents or replace the filter
plates
Fan blocked or
defective
• Contact customer service
W411 High TMP temperature The ambient
temperature is too high
• Reduce the temperature in the
environment where the device is located
Air filter dirty • Clean the air vents or replace the filter
plates
Fan blocked or
defective
• Contact customer service
W421 TMP voltage too low Power supply to TMP
not sufficient
• Contact customer service
E422 No TMP run-up Inlet pressure during
run-up too high
• Check that the backing pump is working
during run-up
• Check that the pressure drops during run-
up
• Contact customer service
TMP bearing damage • Contact customer service
E423 TMP pressure rise Inrush of air into TMP • Contact customer service
E450 Temperature of TMP2
converter too high
The ambient
temperature is too high
• Reduce the temperature in the
environment where the device is located
Fan blocked or
defective
• Contact customer service
TMP2 converter
defective
• Contact customer service
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