Siemens SITRANS F US SONOFLO SONO 3000 - Fault Location Guide

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