7 | Warning and error messages INFICON
106 / 152 UL3000-Fab-ULTRA-Operating-instructions-iinb73en1-09-(2109)
Type Notification Possible sources of
error
Remedy
E457 Fault in backing pump:
Power failure
The backing pump in
the leak detector has a
faulty mains input
voltage
• Make sure that you use the supplied
power cord
• Visually inspect the power cord for
damage
• Have your mains voltage installation
checked by a qualified electrician.
W458 The backing pump is not
started because it is too
cold. Delete the warning at
your own risk to start the
pump.
Ambient temperature is
too low
• Increase the temperature in the
environment where the device is located
• If you bring the leak detector inside from a
cold outside area, wait for at least an hour
before you switch on the leak detector
Temperature sensor of
backing pump is
defective
• Contact customer service
Backing pump
converter defective
• Contact customer service
W459 Run-up of backing pump
takes too long
Exhaust connection
sealed
• Make sure that the exhaust hose is
correctly connected
Backing pump
defective
• Contact customer service
W460 No communication with the
TMP2 converter
TMP2 cable defective
or not connected
• Contact customer service
TMP2 converter
defective
• Contact customer service
MSB defective • Contact customer service
E461 Unhandled error message of
TMP2
TMP2 converter
defective
• Contact customer service
TMP2 defective • Contact customer service
E462 Temperature of TMP2 pump
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 defective • Contact customer service
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