
B. List of error message
Code Meaning
Explanation
Reference
Circuit
F1
Power Down
DC –15 V malfunction
SYSTEM-LF30 13/18
F2 Charge
Voltage
Over Charging Voltage abnormal
ANALOG-LF30 9/27
F3
Filament Current Over
Heating of filament abnormal
ANALOG-LF30 17/27
F4
PKV Over
Set KV over
ANALOG-LF30 9/27
F5
TKV Over
Measured KV out of range
ANALOG-LF30 8/27
F6 Starter
Defective
Starter malfunction
N/A
F7
Line Voltage Over
Power line supply out of range
ANALOG-LF30 22/27
F8
HV Tank not connected
J112 HV Tank loose connection
ANALOG-LF30 25/27
F9
RAD over current
Measured mA out of range
ANALOG-LF30 19/27
F10
Fluoro over current
Fl mA out of range >10mA
ANALOG-LF30 20/27
Code Meaning
Explanation
L1
mAs Over
MAs over 800 mAs
L2
mAs Too Small
MAs is less than 0.5 mAs
L3
Emission Over
Tube Current Emission Over
L4
Generator Load Over
Techniques setting over 50 kW
L5
mAs value too high
Lower down mAs settings
L6
KV too high
Set KV too high
L7
Tube Over Load
Load is over tube rating
Code Meaning
Explanation
H1
HU Over Predict
RAD Condition Exceeds Allowable HU
H2
HU Fully Stored
Accumulated Heat Reach Max
H3
Thermal Switch Open
Thermal Switch Open On Tube
Code Meaning
Explanation
L8
Door open
Door Safety Switch Open
L9
FL Optical Device Error
Device Error Optical
L10
RAD Optical device Error
Device Error Optical
UD150L30-FX/EX Installation Guide, REV_B Page 21 of 35