YOKOGAWA DpharpEJX vigilantplant EJX Series, Manual

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IM 01C25T01-01E 4-2
4. SELF-DIAGNOSTICS
4.2 Alarms and Countermeasures
Table 4.2.1 Alarm Message Summary
Integral
indicator
HART communicator
display
Cause Countermeasure
Status
group
Output operation
during error
AL. 01
CAP. ERR P sensor error
AL. 02
AMP. ERR AT sensor error
AL. 11
ST. PRSS
SP outside limit
AL. 12
CAP. TMP
CT outside limit
AL. 13
AMP. TMP AT outside limit
AL. 30
RANGE
P over range
AL. 35
P. HI
P high alarm
AL. 36
P. LO
P low alarm
AL. 37
SP. HI
SP high alarm
AL. 38
SP. LOW SP low alarm
AL. 39
TMP. HI CT high alarm
AL. 40
TMP. LO
CT low alarm
AL. 51
P. URV Illegal P URV
AL. 52
P. SPN Illegal P SPAN
AL. 53
P. ADJ P SPAN trim err
P ZERO trim err
AL. 54
SP. RNG Illegal SP LRV
Illegal SP URV
Illegal SP SPAN
AL. 55
SP. ADJ
SP SPAN trim err
AL. 60
SC. CFG
SC config error
SP ZERO trim err
Static pressure exceeds
limit.
Capsule temperature is outside
range (–50 to 130
° C).
Amplifier temperature is outside
range (–50 to 95
° C).
Output is outside upper or lower
range limit value.
AL. 31
SP. RNG
SP over range Static pressure exceeds
specified range.
Input pressure exceeds specified
threshold.
Input static pressure exceeds
specified threshold.
Detected temperature exceeds
specified threshold.
AL. 50
P. LRV
Illegal P LRV Specified value is outside of
setting range.
Specified values or settings do
not meet the conditions.
T0401.EPS
Sensor problem.
CT sensor error Capsule temperature sensor
problem.
Cap EEPROM error Capsule EEPROM problem.
Amplifier temperature sensor
problem.
Amp EEPROM error Amplifier EEPROM problem.
CPU board error
Amplifier problem.
No device ID is found.
No device ID
Continues to operate and
output.
Continues to operate and
output.
Continues to operate and
output.
Continues to operate and
output.
Continues to operate and
output.
Continues to operate and output
without signal characterizing.
Continues to operate and
output.
Continues to operate and
output holding static
pressure in %.
Outputs the signal (High or Low)
set with burnout direction
switch. [status output: undefined]
Use heat insulation or
make lagging to keep
temperature within
range.
Check input and range
setting, and change
them as needed.
Check input.
Check capsule
temperature.
Adjust settings and change
them as needed.
Adjust settings and change
them as needed.
Check settings and change
them as needed.
Check settings and change
them as needed.
AL. 79
OV. DISP
Displayed value exceeds
limit.
Check settings and change
them as needed.
Replace capsule when
error keep appearing error
even after restart.
Replace capsule.
Replace amplifier.
1
2
3
4
5
6
7
AL. 10
PRESS P outside limit Input is outside measurement
range limit of capsule. Outputs AO upper limit or AO
lower limit.
Outputs AO upper limit or AO
lower limit.
Holds output immediately
before error occurred.
Check input or replace
capsule when necessary.