Yokogawa EJX530B - Manual (Page 70)

<9. Maintenance>
9-11
IM 01C27F01-01EN
9.5.3 Errors and Countermeasures
Various diagnostics of the Al2 object and the static pressure is not supported in this instrument.
Table 9.3 Error Message Summary (Causes and Actions)
Integral
indicator
Factory
NAMUR
category
Bit
Diagnostic
Status
Diagnostic Status Detail Cause
Release/
recovery
conditions
(except
restart)
Action
AL. 01
CAP. ERR
*2
F Bit 26
Faults
in sensor or
actuator
element
FC_SENSOR_FAIL
Pressure sensor
failure
Recovers only
when AUTO
RECOVER is
ON and within
the range
Replace the
capsule.
FR_SENSOR_FAIL
FC_UNOSC_FAIL Recovers only
when AUTO
RECOVER
is ON and
oscillation does
not stop
FR_UNOSC_FAIL
CAP_T_SENSOR_FAIL Capsule
temperature
sensor failure
None
CAP_EEPROM_FAIL Capsule
EEPROM
memory failure
Recovers
when returns to
normal.
CAP_EEP_IRREGULAR None
AL. 02
AMP. ERR
*2
F Bit 27 Faults in
electronics
AMP_T_SENSOR_FAIL *3 Amplifier
temperature
sensor failure
None
Replace the
amplifier.
AMP_EEPROM_FAIL
Amplifier
EEPROM failure
Recovers
when returns to
normal.
AMP_EEP_IRREGULAR None
FC_DELTA_T_FAIL
Amplifier failure None
FR_DELTA_T_FAIL
G_A_COMM_FAIL
WL_AD_FAIL
AL. 10
PRESS
O Bit 23 Outside sensor
limits
DP_OUTSIDE_LIMIT Pressure
outside of
specified range
Recovers when
input pressure
returns within
the range.
Check
the input
pressure.
AL. 11
ST. PRSS
SP_OUTSIDE_LIMIT Static pressure
outside of
specified range
Recovers when
static pressure
returns within
the range.
Check
the input
pressure.
AL. 12
CAP. TMP
CAPT_OUTSIDE_LMIT Capsule
temperature
outside of range
(-50 to 130°C)
Recovers when
temperature
returns within
the range.
Retain heat
or insulate
so that
temperature
returns within
the specified
range.
AL. 13
AMP. TMP
AMPT_OUTSIDE_LIMIT Amplifier
temperature
outside of range
(-50 to 95°C)
Recovers when
temperature
returns within
the range.
Retain heat
or insulate
so that
temperature
returns within
the specified
range.