Proservo NMS5
Hauser
87
Check local power supply
if frequent.
MPU: START ACT
YYMMDDhhmm TT ##
Meaning:
Power supply has been
turned (off and) on.
Indicates normal operation.
Diagnostic : MPU: START ACT
Diagnostic : ROM ERROR
Meaning:
CPU ROM failure.
Meaning:
Tension on measuring wire
is more than value in
G1V6H3.
Set Operation = STOP
Set G3V7H1 = ON
Diagnostic : OVERTENSION
(FLASHING ON ANY
DISPLAY)
Diagnostic : TEMP. BELOW RAMGE
Check NMT speci
l
cation.
Check G4V5H0 thru H9.
Check temperature in tank.
Exchange TCB module,
adjust Hall sensor,
recalibrate
Check measuring wire,
displacer, stilling pipe for
cause of overtension.
No
Meaning:
Open element in NMT
temperature sensor.
Diagnostic : TEMP. COM. OPEN
OK ?
Enter correct number of
temperature elements at
G4V8H2.
G4V8H2 data correct ?
Record Temperature matrix
data, exchange temperature
electronics.
No
ROM ERROR
YYMMDDhhmm TT ##
Diagnostic : SIFA ERROR
Meaning:
CPU SIFA failure.
Exchange TCB module,
adjust Hall sensor,
recalibrate
SIFA ERROR
YYMMDDhhmm TT ##
Measuring wire cut ?
Find and
l
x cause of cut
wire. Replace displacer,
adjust Hall sensor,
recalibrate.
Yes
Diagnostic : POWER FAILURE
POWER FAILURE
YYMMDDhhmm TT ##
Check local power supply.
Meaning:
Supply voltage has fallen
below about AC95V.
Diagnostic : RAM FAILURE
Exchange TCB module,
adjust Hall sensors,
recalibrate.
RAM FAILURE
YYMMDDhhmm TT ##
Meaning:
CPU RAM failure.
Data below range ?
Record Temperature matrix
data, exchange temperature
electronics.
Normal operation. Error
will clear when actual
temperature is within
speci
l
cation.
Meaning:
Measured temperature data
for one or more elements is
below
l
xed range of NMT
speci
l
cation.
(FLASHING ON ANY
DISPLAY)
(FLASHING ON ANY
DISPLAY)
May require complete NMT
exchange. Send all
Temperature matrix (G4)
data to Hauser.
Yes
No
Yes
No
10 Diagnosis and Troubleshooting