Proservo NMS5
84
Hauser
10.3
Flowcharts for Diagnostics and Troubleshooting
For up to 10 elements,
check G4V5H0 thru H9 to
l
nd shorted element.
For more than 10
elements, select element at
G4V7H0, view
temperature at G4V7H3.
(Level display)
-49.5 C
Wire ring at normal
position ?
May require complete NMT
exchange. Send all
Temperature matrix (G4)
data to Hauser
359.0 C
TEMP. NO. n
ADJ(A, I, Z) COUNTER
YYMMDDhhmm TT ##
Raise displacer to red line
in calibration window, or
into maintenance
chamber.
G3V5H0 = G3V5H1 = 0?
3V5H0 = G3V5H1 = 0?
Displacer stopped at
Upper Stop, G1V6H0?
Meaning:
Shorted element in NMT
temperature
Meaning:
Element not enabled, or not
installed in NMT
temperature sensor
This is an indicator, not an
error code. Verify total
number of elements at
G4V8H2.
Diagnostic : -49.5 C
Diagnostic : 358.0 C (at G4V5_or G4V7H3)
Diagnostic : 359.5 C
(Level display)
359.5C
Meaning:
Open element in NMT
temperature sensor
For or up to 10 elements,
check G4V5H0 thru H9 to
l
nd open element.
For more than 10 elements,
select element at G4V7H0,
view temperature at
G4V7H3.
May require complete
NMT exchange. Send all
Temperature matrix (G4)
data to Hauser
Diagnostic : ADC SENSOR ERROR
ADC SENSOR ERROR
YYMMDDhhmm TT ##
Meaning:
The A/D signal output from
the detector unit, or input to
CPU, is abnormal.
Exchange detector unit,
adjust Hall sensors,
recalibrate.
Make connections
l
rm.
TCB CN5, CN7 loose?
Diagnostic : ADJ A, I or Z COUNTER
Automatic software
adjustment working
normally. Sometimes seen
in turbulent applications.
Noise interface to internal
software counters.
Eliminate noise, adjust Hall
sensors, recalibrate.
Raise displacer manually
(G3V7H6) until red line in
window.
Diagnostic : A PHASE NO INPUT
A PHASE NO INPUT
YYMMDDhhmm TT ##
Meaning:
The A-phase signal output
from the encoder, or input
to CPU. is abnormal.
20 outputs = 360 degrees.
Exchange detector unit,
adjust Hall sensors,
recalibrate.
Make connections
l
rm.
TCB CN5, CN7 loose?
OK?
Meaning:
Automatic software
adjustment working
normally. Sometimes seen in
turbulent applications.
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
10 Diagnosis and Troubleshooting
