Inficon UL3000 Fab ULTRA - Page 101

INFICON Warning and error messages | 7
UL3000-Fab-ULTRA-Operating-instructions-iinb73en1-09-(2109) 101 / 152
Type Notification Possible sources of
error
Remedy
W224 Internal voltage
24V_PRESSURE (Pirani)
voltage out of range
Short circuit or
overload in the
24V_PRESSURE
(Pirani) supply
• Contact customer service
W240 Voltage +15V out of range Short circuit at
preamplifier
• Contact customer service
VI-Board or MSB
defective
• Contact customer service
W241 Voltage -15V out of range Short circuit at
preamplifier
• Contact customer service
VI-Board or MSB
defective
• Contact customer service
E242 +15V or -15V voltage
shorted
Short circuit at
preamplifier
• Contact customer service
VI-Board or MSB
defective
• Contact customer service
W250 REF5V voltage out of range Short circuit at
preamplifier
• Contact customer service
VI-Board or MSB
defective
• Contact customer service
E252 REF5V voltage shorted Short circuit at
preamplifier
• Contact customer service
VI-Board or MSB
defective
• Contact customer service
W254 Valve current is out of range One or more lowered
valves are not
connected or defective
• Contact customer service
VI-Board or MSB
defective
• Contact customer service
W255 Fan current is out of range Fan not connected • Contact customer service
Fan blocked or
defective
• Contact customer service
W300 Anode voltage too low Short circuit of the
anode voltage
• Contact customer service
VI-Board or MSB
defective
• Contact customer service
W301 Anode voltage too high MSB defective • Contact customer service