Berthold LB 4700 - Page 66

7 Troubleshooting
LB 4700
62
56926BA2, Rev. 02, 04/2019
Code
Text
Description
Namur107
Correction
D314
Upper
Avg. HV
limit
The average HV
exceeds the
Default-HV by
more than 40%.
S
Check Default HV for plausibility and
change if necessary.
Check detector electronics and
photomultiplier.
If necessary, contact BERTHOLD.
D315
Temperat
ure
sensor
The temperature
sensor of the
detector is
defective.
S
Contact BERTHOLD.
The hardware is defective and, if
necessary, must be checked and
replaced.
D316
Temperat
ure
warning
The internal
detector
temperature is
close to the
upper or lower
limit of the
permissible
operating
temperature.
S
If the detector is too hot: Install/check
water cooling system.
If the detector is too cold: Install/check
heating.
D317
Temperat
ure alarm
The internal
detector
temperature has
exceeded the
upper limit of the
permissible
operating
temperature or
dropped below
the lower.
F
Proper function of the device can no
longer be guaranteed.
It is recommended to have the device
checked by Berthold Technologies, even
if it still seems to work properly.
D318
Detector
malfuncti
on
An error in the
state machine of
the detector has
occurred
F
Restart the device.
If the event occurs frequently, contact
BERTHOLD.
D319
Plateau
Recording
Indicates that
plateau recording
is running.
C
No action is required. The detector
returns automatically to measurement
mode after plateau recording is finished.
D320
HV too
high
The actual HV has
reached the
upper HV limit
(HV > 1287V,
bzw. HV > 1300V
- 1%)
F
Contact BERTHOLD.
Detector must be checked and replaced
if necessary.
D321
HV too
low
The actual HV has
reached the
lower HV limit
(HV < 303V, bzw.
HV < 300V + 1%)
F
Contact BERTHOLD.
Detector must be checked and replaced
if necessary.