52
BIFFI ICON 2000
InstructIon and operatIng manual
ALARM TABLE
Display message Condition for alarm Action
Available controls
Alarm resetLocal Remote ESD
High torque in
closing
Measured torque greater than the
relevant value configured in torque
set-up or stroke limits routine
Operate the actuator in opening
direction. Check the torque
needed to operate the valve
Only open Only open Configuration
dependent
Open control
High torque in
opening
Measured torque greater than the
relevant value configured in torque
set-up or stroke limits routine
Operate the actuator in closing
direction. Check the torque
needed to operate the valve
Only close Only close Configuration
dependent
Close control
Jammed valve in
closing
No position change after receiving a
CLOSE control
Check status of actuator and valve
mechanical parts
Only open Only open Only open Open control
Jammed valve in
opening
No position change after receiving an
OPEN control
Check status of actuator and valve
mechanical parts
Only close Only close Only close Close control
Motor thermostat Motor thermostat open for high
temperature in the motor windings
Wait until the motor cools down Not available Not available Configuration
dependent
When thermostat
closes
Internal-temperature Temperature inside the actuator
enclosure higher than 90°C or lower
than -40°C
Ambient temperature too high or
too low. Verify insulation among
actuator and heat source
Not available Not available Not available Control
temperature
<90°C or >-40°C
Position sensor Value of the actuator position not valid Replace position sensor or
re-calibrate both stroke limits
Not available Not available Not available Position signal
correct
Speed sensor Measure of motor speed not valid Replace speed sensor Not available Not available Not available Speed signal
correct
Mid travel alarm
in OP
The valve does not move in presence
of an open control
Check status of actuator and valve
mechanical parts. Recalibrate
both stroke limits
Only close Only close Only close Close control
Mid travel alarm
in CL
The valve does not move in presence
of a close control
Check status of actuator and valve
mechanical parts. Recalibrate
both stroke limits
Only open Only open Only open Open control
Main voltage Mainvoltagelowerthan-20%or
higherthan+20%ofthevaluestatedin
the name plate menu
Check main voltage supply and
frequency on terminals L1, L2, L3.
Check that wires section is correct
Not available Not available Not available Main voltage
correct
K1contactor ThetestroutinereportsafailureofK1
(coil or auxiliary contact)
Check the contactor Opposite
direction
Opposite
direction
Not available
ifESDuseK1
contactor
Control in opposite
direction
K2contactor ThetestroutinereportsafailureofK2
(coil or auxiliary contact)
Check the contactor Opposite
direction
Opposite
direction
Not available
ifESDuseK2
contactor
Control in opposite
direction
Configuration obj n° The checksum of the EEPROM
memory that contains the
configuration data is wrong
Re-configure all parameters (see
details next page)
Not available Not available Not available MemoryOK
Hardware n° The diagnostic program detects
some malfunction in the electronics
controlling the actuator
Some circuit is damaged and does
not work (see details next page)
Not available Not available Not available HardwareOK
Low lithium battery The voltage of the lithium battery is
too low (only detected if the lithium
battery is present and the relevant
parameter of the miscellaneous
routine is set to “present”)
Change lithium battery Available with
main voltage
Available with
main voltage
Available with
main voltage
LithiumbatteryOK
Lost phase The alarm appears only with 3-phase
main supply. The alarm is generated
in case of fault of one of the phases
that supply the actuator transformer
Check main power supply on
terminals L1, L2, L3
Not available Not available Not available PhaseOK
Request signal The analog 4-20 mA signal is not
correct
Check the external 4-20 mA
generator and wiring
Available Positioner
function not
available
Available 4-20mAinputOK