Fault Location Guide - Siemens SITRANS F US SONOFLO SONO 3300 Handbook

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SITRANS F US SONOFLO

8.1 Fault location guide

Symptom Error code Error relay
Empty display None
No None
flow signal
None
1
1 )
2
1
5 )
6
9
10
11
12
1
13 )
14
17
18
51
68
84
111
121
125
21
22
23
24
33
34
25
26
Forced output
redefined
in the menu
30
31
40
41
50
60
27
64
80
82
100
1
) Lowest value for track 1.
2
) Alarm if signal level falls below 500 mV (see "Service").
3
) Not permitted with calibrated and sealed flowmeters.
Please contact Siemens Flow Instruments or send the signal converter and sensor to Siemens Flow Instruments for repair and renewed
calibration.
8. Trouble shooting
Cause
ON 1. Supply voltage
2. SONO 3000 defective
OFF 1. Current output deselected
2. Frequency/pulse output
deselected
OFF Reverse flow direction
ON Signal converter rejects received
signals
Max. amplification exceeded
ON 1. Sensor cable not connected
2. Mismatch of sensor and liquid
ON 1. This error code and a high gain
> 60 dB, indicate reception of a
week signal
2. Air bubbles in the liquid cause
amplitude variations of the flow
signal
ON Internal error
Function and communication check
OFF Error during zero adjustment
Unit registers flow in sensor
ON Sound velocity value outside the
measuring range
Hardware fault
ON 1. Motherboard defective
2. Supply voltage too low
ON Fatal measuring error
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ON SENSORPROM unit defective
Wrong sensor version
ON Error in data exchange with
®
SENSORPROM unit
ON Invalid totalizer value
(check sum error)
ON 1. No load or load exceeds max.
setting on current output
2. SONO 3000 defective
ON Flow > 2 x Q
max.
ON Current output exceeds 24 mA
ON Frequency/pulse output
exceeds 12000 Hz
ON Pulse width on frequency output
exceeds limit by 50%
OFF "Power-on" indication - no error
SFIDK.PS.029.Q3.02
Remedy
1. Check supply voltage and voltage selector
3
2. Replace SONO 3000 )
1. Check OUTPUT SETUP
2. Check OUTPUT SETUP
Select FLOW DIRECTION in BASIC SETTINGS
1. Check cable and connections
2. Check sensor manually by means of an oscilloscope.
Please contact Siemens Flow Instruments
2)
.
With a typical operation of the signal converter turn
the power supply off and on.
If the fault occurs again, replace the signal converter
Ensure optimum zero adjustment in the sensor
Check settings for track length and min./max. sound velocity
3
Replace SONO 3000 )
3
1. Replace SONO 3000 )
2. Check supply voltage
Remove the cause of additional error(s) and
this code will disappear as well
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Remove SENSORPROM unit and enter settings manually
1. Check cables and connections
3
2. Replace SONO 3000 )
Check max. setting in BASIC SETTINGS
Check max. setting in BASIC SETTINGS
Check max. setting in BASIC SETTINGS
Select a shorter pulse width
3
)
3
)
3
)
51