Inficon UL3000 Fab ULTRA - Page 105

INFICON Warning and error messages | 7
UL3000-Fab-ULTRA-Operating-instructions-iinb73en1-09-(2109) 105 / 152
Type Notification Possible sources of
error
Remedy
E451 Temperature prewarning of
backing pump
The ambient
temperature is too high
• Reduce the temperature in the
environment where the device is located
Ambient temperature is
too low
• Increase the temperature in the
environment where the device is located
Fan blocked or
defective
• Contact customer service
Temperature sensor of
backing pump is
defective
• Contact customer service
W452 No communication with
backing pump
Backing pump control
cable defective or not
connected
• Contact customer service
Backing pump has no
power supply
• Contact customer service
Backing pump
converter defective
• Contact customer service
VI-Board or MSB
defective
• Contact customer service
E453 Backing pump failure Unhandled error
message from the
backing pump
• Contact customer service
E454 Fault in backing pump:
Undervoltage
The backing pump in
the leak detector has
insufficient mains input
voltage
• Make sure that you use the supplied
power cord
• Have your mains voltage installation
checked by a qualified electrician.
Backing pump
converter defective
• Contact customer service
W455 Backing pump rotation
speed too low
No run-up of backing
pump
• Contact customer service
W456 Operation of the backing
pump is locked
The plug at connection
P1 of the frequency
converter of the
backing pump is
defective or not
connected
• Contact customer service