Chapter 6 Error Messages
Mini-Switch LB 471
Fault in a hardware compo-
nent or the board
High electrical interference
or faulty hardware
Check power line for possible interfer-
ence
If necessary, replace evaluation unit
As above, but the malfunc-
tion occurred several times
within 10s.
Check power line for possible interfer-
ence
If necessary, replace evaluation unit
No counting pulse occurred
within 10s (FSK) or 120s
(GMZ)
HV is 20% below the HV
start value of code 54
Check HV and standard HV.
If necessary, update standard HV.
If necessary, replace detector.
HV is 40% above the HV
start value of code 54
Check HV and standard HV.
If necessary, update standard HV.
If necessary, replace detector.
HV is at lower limit at 500V
Check HV.
If necessary, replace detector.
HV is at upper limit at 1300V
Check HV.
If necessary, replace detector.
Detector tempera-
ture exceeded
(only FSK)
Detector heating up > value
in code 46
(only FSK)
Reduce ambient temperature on probe:
e.g. through heat deflection plate or
water cooling.
EVU heating up > value in
code 48
Reduce ambient temperature on evalu-
ation unit
Faulty communication de-
tected (only FSK)
Replace probe or evaluation unit or
eliminate line interruption
Check date in code 01/02, if necessary
update it
Interference radia-
tion detection
Interference radiation or
faulty calibration. Corre-
sponds to error messages
35.04 to 35.08, will be
checked during operation.
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