The following table shows possible countermeasures – Yokogawa RotaMASS 3-Series User Manual
Page 178

8. SElF-dIAgNOSTIC ANd TrOUBlESHOOTINg
8-2
IM 01R04B04-00E-E 8th edition March 01, 2011 -00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
The following table shows possible countermeasures :
Alarm (A);
Warning
(W)
Error (E)
Name
Meaning
Description
Countermeasure
A-01
MF 1 criteria
Mass flow L Alarm
Mass flow below MF 1 criteria
Increase mass flow / Change setting
A-02
MF 2 criteria
Mass flow H Alarm
Mass flow above MF 2 criteria
Reduce mass flow / Change setting
A-03
VF 1 criteria
Volume flow L Alarm
Volume flow below VF 1 criteria
Increase volume flow / Change setting
A-04
VF 2 criteria
Volume flow H Alarm
Volume flow above VF 2 criteria
Reduce volume flow / Change setting
A-05
Dens. 1 criteria Density L Alarm
Density below Dens. 1 criteria
Increase density / Change setting
A-06
Dens. 2 criteria Density H Alarm
Density above Dens. 2 criteria
Reduce density / Change setting
A-07
Temp. 1 criteria Temperature L Alarm
Temperature below Temp. 1 criteria Increase temperature / Change setting
A-08
Temp. 2 criteria Temperature H Alarm
Temperature above Temp. 2 criteria Reduce temperature / Change setting
A-09
Conc. 1 criteria Concentration L Alarm
Concentration below Conc. 1 criteria Increase concentration / Change setting
A-10
Conc. 2 criteria Concentration H Alarm
Concentration above Conc. 2 criteria Reduce concentration / Change setting
A-11
Netflow 1 crit.
Net flow L Alarm
Net flow below Net flow 1 crit.
Increase net flow / Change setting
A-12
Netflow 2 crit.
Net flow H Alarm
Net flow above Net flow 2 crit.
Reduce net flow / Change setting
A-13
Total thr exceed Total threshold exceed
Totalizer value exceeds total
threshold
Reset totalizer / Change setting
A-14
Slug detection
Slug flow detected
Slug criterion is reached
Reduce gas bubbles in medium
A-15
Empty pipe
det.
Empty pipe detectd
Empty pipe criterion is reached
Fill pipe
A-16
Corrosion det.
Corrosion detected
Corrosion criterion is reached
Change detector
W-01
Density low
Density lower 0.3 kg/l
Density lower than 0.3 kg/l
Fill the detector with fluid
W-02
Fixed dens act. Fixed Dens selected
Parameter Dens fix val sel is enabled
Set parameter Dens fix val sel to
inhibit
W-03
Fixed temp act. Fixed Temp selected
Parameter Temp fix val sel is enabled
Set parameter Temp fix val sel to
inhibit
W-04
Fixed MF active Fixed MF selected
Parameter MF fix val sel is enabled Set parameter MF fix val sel to inhibit
W-05
Autozero running Autozero is running …
Autozero process is performed,
started by user action or status input
Wait until process stops
(30sec or 180sec max)
W-06
AZ val error
Autozero value out of
range
Auto zero value is out of the internal
detector depending range
Stop flow during auto zero.
Check detector installation
W-07
AZ fluct error
Autozero fluctuation out
of range
Auto zero fluctuation is out of the
internal detector depending range
Stop flow during auto zero. Check
electrical installation, vibrations and
density.
W-08
Sensor simul.
Sensor simulation active
Fixed frequency or fixed phase dif-
ference is enabled
Set Sensor simulation to inhibit
W-09
Fixed Prim Out Analog output 1 fixed
Analog output 1 fixed at 4mA for
multidrop operation
Set HART polling address to 0
(Multidrop operation stops)
W-10
Prim Out sat.
Analog output 1 saturated
Analog output 1 reaches less than
3.8mA or more than 20.5mA
Increase or decrease current level of
output 1
W-11
Sec Out sat.
Analog output 2 saturated
Analog output 2 reaches less than
3.8mA or more than 20.5mA
Increase or decrease current level of
output 2
W-12
Tert Out sat.
Pulse/Status output 1
saturated
Relation between pulse width and
pulse rate of Pulse/Status output 1
is too high
Decrease length of pulse width or
increase amount of pulse rate of pulse
output 1
W-13
Quart Out sat.
Pulse/Status output 2
saturated
Relation between pulse width and
pulse rate of Pulse/Status output 2
is too high
Decrease length of pulse width or
increase amount of pulse rate of pulse
output 2
E-01
Frequency fault Frequency fault detected
Driving frequency out of range
Check cable (Remote) and detector
E-02
Signal fault
Signal fault detected
Phase difference out of range
Check cable (Remote) and detector
E-03
EEPROM fault EEPROM fault detected
CRC-Error
Contact Yokogawa service
E-04
CPU fault
CPU fault detected
Micro processor is not working
Contact Yokogawa service
E-05
DSP fault
DSP fault detected
Micro processor is not working
Contact Yokogawa service
E-06
Sensor 1 fault
Sensor 1 Signal fault
detected
Sensor 1 signal below 7% for 3 min Check cable (Remote) and detector
E-07
Sensor 2 fault
Sensor 2 Signal fault
detected
Sensor 2 signal below 7% for 3 min Check cable (Remote) and detector
E-08
Temp sens fault
Temperature Sensor
Fault detected
T<-220°C or T>550°C
Check cable (Remote) and detector
Check temperature