Instruction Manual

<8. Maintenance>
8-9
IM 01C50E01-01EN
Integral
indicator
Factory
NAMUR
category
Bit
Diagnostic
Status
Diagnostic
Status Detail
Cause
Release/
recovery
conditions
(except
restart)
Output
Operation
Action
AL.20
LOWBAT
*3
M
Bit
19
Power is low:
maintenance
need mid-term
LOWBAT
Low remaining
battery voltage
None Normal action
Replace the
batteries.
Bit
20
*4
Power is
critical low:
maintenance
need short -
term
CRITICAL
LOWBAT
Low remaining
battery voltage
None Normal action
Replace the
batteries.
Bit
20
*5
Power is
critical low:
maintenance
need short -
term
LOWBAT
FOR
DEEPSLEEP
Low remaining
battery voltage
causes switching
to deep-sleep
mode.
None
Normal action,
but power
turns off
15 minutes
after alarm is
generated.
Replace the
batteries.
AL.23
FIRM.C
M
Bit
21
Fault
prediction:
Maintenance
required
FIRMWARE
CONDITION
CHECK
Firmware internal
error
None Normal action Restart.
AL.40
S1.OVR
O
Bit
22
Environmental
conditions
out of device
specication
SENSOR1
TEMP HI
The temperature
of sensor 1 is
higher than the
temperature
specied in the
Sensor Range
parameter.
Recovers
when the
temperature
falls within
the range.
Normal action
Check the
sensor type
setting and
connection
method.
SENSOR1
TEMP LO
The temperature
of sensor 1 is
lower than the
temperature
specied in the
Sensor Range
parameter.
Recovers
when the
temperature
rises within
the range.
Normal action
Check the
sensor type
setting and
connection
method.
AL.41
S2.OVR
*4
SENSOR2
TEMP HI
The temperature
of sensor 2 is
higher than the
temperature
specied in the
Sensor Range
parameter.
Recovers
when the
temperature
falls within
the range.
Normal action
Check the
sensor type
setting and
connection
method.
SENSOR2
TEMP LO
The temperature
of sensor 2 is
lower than the
temperature
specied in the
Sensor Range
parameter.
Recovers
when the
temperature
falls within
the range.
Normal action
Check the
sensor type
setting and
connection
method.
AL.45
AMB.
OVR
O
Bit
22
Environmental
conditions
out of device
specication
A M B T E M P
HI The ambient
temperature
is higher than
+85°C.
Recovers
when the
temperature
falls below
+85°C.
Normal action
Check the
temperature
in the
vicinity
of the
transmitter.
A M B T E M P
LO
The ambient
temperature is
lower than -40°C.
Recovers
when the
temperature
rises above
-40°C.
Normal action
Check the
temperature
in the
vicinity
of the
transmitter.