YOKOGAWA EJX Series User Manual page 40

Differential pressure and pressure transmitters
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Table 7.2
Alarm Message Summary (For EJX910A and EJX930A, HART protocol type)
Integral
indicator
AL. 01
Sensor problem.
CAP.ERR
Capsule temperature sensor problem.
Capsule EEPROM problem.
AL. 02
Amplifier temperature sensor problem.
AMP.ERR
Amplifier EEPROM problem.
Amplifier problem.
A/D Converter problem.
AL. 03
External temperature sensor
ET.ERR
disconnection.
No device ID is found.
AL. 10
Differential pressure is outside
PRESS
measurement range limit of capsule.
AL. 11
Static pressure exceeds limit.
ST. PRSS
AL. 12
Capsule temperature is outside range
CAP.TMP
(–50 to 130°C).
AL. 13
Amplifier temperature is outside range
AMP.TMP
(–50 to 95°C).
AL. 14
External temperature is outside range. When PV is ET
EXT. TMP
AL. 15
External temperature sensor resistance
EXT. TMP
is out specification.
AL. 16 PLS
Pulse output is out specification.
AL. 30
Differential pressure exceeds specified
PRS.RNG
range.
AL. 31
Static pressure exceeds specified
SP. RNG
range.
AL. 32
Flow exceeds specified range.
F. RNG
AL. 33
External temperature exceeds specified
ET. RNG
range.
AL. 35 P.HI
Input pressure exceeds specified
threshold.
AL. 36 P.LO
AL. 37 SP.HI Input static pressure exceeds specified
threshold.
AL. 38 SP.LO
AL. 41 F.HI
Input flow exceeds specified threshold.
AL. 42 F.LO
AL. 43 ET.HI
Input external temperature exceeds
specified threshold.
AL. 44 ET.LO
AL. 50 P. LRV Specified value is outside of setting
range.
AL. 51 P. URV
AL. 52 P. SPN
AL. 53 P. ADJ
AL. 54
SP. RNG
AL. 55
SP. ADJ
AL. 56
ET. RNG
AL. 57
ET. ADJ
AL. 58
FL. ADJ
AL. 59
Specified value is outside of setting
PLS.ADJ
pulse output.
Under Temperature Fix Mode. PV is ET Temp. Output Fix at 4mA.
Cause
Outputs the signal (High or Low) set
with burnout direction switch.
[status output: undefined]
Continues to operate and output.
When PV is Pres
Output AO upper limit or AO Lower
limit.
When PV is SP
Output AO upper limit or AO Lower
limit.
Continues to operate and output.
Output AO upper limit or AO Lower
limit.
Continues to operate and output.
When PV is Pres.
Output AO upper limit or lower limit.
When PV is SP
Output AO upper limit or lower limit.
When PV is Flow
Output AO upper limit or lower limit.
When PV is ET
Output AO upper limit or lower limit.
Continues to operate and output.
Holds at the output value that existed
immediately before the error occurred.
Continues to operate and output.
Holds at the output value that existed
immediately before the error occurred.
Continues to operate and output.
Holds at the output value that existed
immediately before the error occurred.
Continues to operate and output.
Holds at the output value that existed
immediately before the error occurred.
Normal calculation.
<7. Errors and Countermeasures>
4-20mA Output
operation during error
Countermeasure
Replace capsule if the error recurs
after the transmitter is restarted.
Replace capsule.
Replace amplifier.
Check external temperature sensor.
Replace amplifier.
Check input or replace capsule when
necessary.
Use heat insulation or make lagging
to keep temperature within range.
Check settings and change them.
Check input and range setting, and
change them as needed.
Check input.
Check settings and change them as
needed.
Adjust settings and change them as
needed.
Check settings and change them as
needed.
Adjust settings and change them as
needed.
Check settings and change them as
needed.
Adjust settings and change them as
needed.
Check settings and change them as
needed.
Leave from Temperature Fix Mode.
IM 01C25A01-01E
38

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