Yokogawa digitalYEWFLO (DY-FF) User Manual
Page 40
<7. IN-PROCESS OPERATION>
7-2
IM 01F06F00-01EN
LCD
Error Detail
Alarm Mask
SW (default)
AL-86
AR Range High (AR.RANGE_HI) is smaller
than AR Range Low (AR.RANGE_LOW).
Provided (OFF)
AL-87
AR Input1 (AR.IN_1) is over range.
Provided (OFF)
AL-88
AR Input2 (AR.IN_2) is over range.
Provided (OFF)
AL-89
AR Input (AR.IN) is not connected to the
volumetric fl ow.
Provided (OFF)
AL-90
AR Input1 (AR.IN_1) is not connected to the
temperature.
Provided (OFF)
AL-91
AR Input2 (AR.IN_2) is not connected to the
pressure.
Provided (OFF)
AL-92
AR Compensation Coeffi cient (AR.
AR_FLOW_CONFIG.Element) changed
unexpected.
Therefore AR Output (AR.OUT.Value) is
uncertainty.
Provided (OFF)
AL-93
AR Output Range .Units Index (AR.OUT_
RANGE.Unit Index) is not selected rightly the
corresponding to AR Arithmetic Type (AR.
ARITH_TYPE).
Provided (OFF)
*: Not provided for a model with the option /MV and with the fl uid
density calculation set to be active.
LCD
Error Detail
Alarm Mask
SW (default)
AL-01
The EEPROM(S) failed.
Not provided
AL-02
The serial communication circuit in the
amplifi er failed (type 1 error).
Not provided
AL-03
The serial communication circuit in the
amplifi er failed (type 2 error).
Not provided
AL-04
The EEPROM(F) failed.
Not provided
AL-05
The fl ow sensor failed.
Provided (ON)
AL-06
The input circuit in the amplifi er failed.
Provided (ON) *
AL-07
The temperature circuit in the amplifi er failed. Not provided
AL-08
The temperature sensor failed.
Not provided
AL-20
No function blocks are scheduled.
Not provided
AL-21
Resource Block is in O/S mode.
Not provided
AL-22
Transducer Block is in O/S mode.
Not provided
AL-23
AI1 Block is in O/S mode.
Provided (ON)
AL-24
AI2 Block is in O/S mode.
Provided (OFF)
AL-25
DI1 Block is in O/S mode.
Provided (OFF)
AL-26
DI2 Block is in O/S mode.
Provided (OFF)
AL-27
PID Block is in O/S mode.
Provided (OFF)
AL-28
AI3 Block is in O/S mode.
Provided (OFF)
AL-29
IT Block is in O/S mode.
Provided (OFF)
AL-30
AR Block is in O/S mode.
Provided (OFF)
AL-41
Flow rate is over the range.
Not provided
AL-42
The fl ow rate span setting exceeds the range
limit.
Not provided
AL-43
Temperature is over the range. (Regulated in
the upper or lower limit value)
Not provided
AL-51
The transient vibration makes the current fl ow
rate output constant.
Provided (OFF)
AL-52
The high vibration makes the current fl ow rate
output zero.
Provided (OFF)
AL-53
The shedder bar is clogged with a material.
Provided (OFF)
AL-54
The current fl ow rate is fl uctuating more than
20%.
Provided (OFF)
AL-61
Indicator is over the range.
Not provided
AL-62
AI1 Block is in Manual mode.
Provided (ON)
AL-63
AI1 Block is in simulation mode.
Provided (ON)
AL-64
AI1 Block is not scheduled.
Provided (ON)
AL-65
AI2 Block is in Manual mode.
Provided (OFF)
AL-66
AI2 Block is in simulation mode.
Provided (OFF)
AL-67
AI2 Block is not scheduled.
Provided (OFF)
AL-68
DI1 Block is in Manual mode.
Provided (OFF)
AL-69
DI1 Block is in simulation mode.
Provided (OFF)
AL-70
DI1 Block is not scheduled.
Provided (OFF)
AL-71
DI2 Block is in Manual mode.
Provided (OFF)
AL-72
DI2 Block is in simulation mode.
Provided (OFF)
AL-73
DI2 Block is not scheduled.
Provided (OFF)
AL-74
PID Block is in Bypass mode.
Provided (OFF)
AL-75
PID Block is failed (type 1 error).
Provided (OFF)
AL-76
PID Block is failed (type 2 error).
Provided (OFF)
AL-77
AI3 Block is in Manual mode.
Provided (OFF)
AL-78
AI3 Block is in simulation mode.
Provided (OFF)
AL-79
AI3 Block is not scheduled.
Provided (OFF)
AL-80
IT Block is in Manual mode.
Provided (OFF)
AL-81
IT Block is not scheduled.
Provided (OFF)
AL-82
IT Total backup failed. Last IT Output.Value (IT.
OUT.Value) could not saved.
Provided (OFF)
AL-83
IT Clock Period (IT.CLOCK_PER) is smaller
than IT Period of Execution(IT.EXECUTION_
PERIOD).
Provided (OFF)
AL-84
AR Block is in Manual mode.
Provided (OFF)
AL-85
AR Block is not scheduled.
Provided (OFF)
Table 7.1
Alarm Indications and Alarm Mask Switches