Errors And Countermeasures - YOKOGAWA EJX110A Installation Manual

7.

Errors and Countermeasures

NOTE
For HART protocol revision 7, F
each communication manual.
The table below shows a summary of error messages for BRAIN and HART (protocol revision 5) protocols.
Table 7.1 Alarm Message Summary (Except EJX910A and EJX930A)
Indicator
None
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.
AL. 10 Input is outside measurement range
PRESS 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. 30 Output is outside upper or lower range
RANGE limit value.
AL. 31 Static pressure exceeds specified
SP. RNG range.
AL. 35 *
Input pressure exceeds specified
1
P. HI threshold.
AL. 36 *
1
P. LO
AL. 37 * Input static pressure exceeds specified
1
SP. HI
threshold.
AL. 38 *
1
SP. LO
AL. 39 * Detected temperature exceeds
1
TMP. HI specified threshold.
AL. 40 *
1
TMP. LO
AL. 50 Specified value is outside of setting
P. LRV range.
AL. 51
P. URV
AL. 52
P. SPN
AL. 53
P. ADJ
AL. 54
SP. RNG
AL. 55
SP. ADJ
AL. 60 Specified values or settings to define
SC. CFG signal characterizer function do not
satisfy the condition.
AL. 79 Displayed value exceeds limit.
OV. DISP
*1: These alarms may appear only when process alarm function is activated.
Fieldbus, PROFIBUS PA and Modbus communication types, please refer to
OUNDATION
Cause
Outputs the signal (Hold, High, or
Low) set with parameter.
Outputs the signal (Hold, High, or
Low) set with parameter.
Outputs high range limit value or low
range limit value.
Continues to operate and output.
Outputs high range limit value or low
range limit value.
Continues to operate and
output.
Holds output immediately before error
occurred.
Continues to operate and output.
Continues to operate and output
holding static pressure in %.
Continues to operate and output.
<7. Errors and Countermeasures>
Output Operation
during Error
Replace capsule when error keeps
appearing even after restart.
Replace amplifier.
Check input or replace capsule when
necessary.
Use heat insulation or make lagging
to keep temperature within range.
Check input and range setting, and
change them as needed.
Check input.
Check setting and change them as
needed.
Check input.
Check setting and change them as
needed.
Check input.
Check setting and change
them as needed.
51
Countermeasure
IM 01C25A01-01E