Alarms And Countermeasures - YOKOGAWA DPharp EJXC80A User Manual

6.7.3 Alarms and Countermeasures

Table 6.3 Alarm Message Summary
Indicator
None
AL. 01 Sensor problem.
CAP. ERR
Capsule temperature sensor
problem.
Capsule EEPROM problem.
AL. 02 Amplifier temperature sensor
AMP. ERR problem.
Amplifier EEPROM problem.
Amplifier problem.
AL. 10 Input is outside measurement
PRESS range limit of capsule.
AL. 11 Static pressure exceeds limit.
ST. PRSS
AL. 12 Capsule temperature is outside
CAP. TMP range (–50 to 130°C).
AL. 13 Amplifier temperature is outside
AMP. TMP range (–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 * 1 Input pressure exceeds specified
P. HI threshold.
AL. 36 * 1
P. LO
AL. 37 * 1 Input static pressure exceeds
SP. HI specified threshold.
AL. 38 * 1
SP. LO
AL. 39 * 1 Detected temperature exceeds
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
SC. CFG define 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.
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.
<6. Maintenance>
Output Operation
during Error
Countermeasure
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.
IM 01C25W01-01EN
6-9