Pentair Biffi ICON 2000 - Troubleshooting Common Issues; Electronics Do Not Switch On; DC Output Voltage Not Available; Actuator Does Not Work From Remote Controls

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BIFFI ICON 2000
InstructIon and operatIng manual
12. TROUBLESHOOTING
The ICON 2000 actuator has passed the
functional test performed by Biffi Quality
Assurance personnel.
WARNING
The actuator is non-intrusive. The control
compartment was sealed in dry and clean
conditions and contains no site serviceable
components. Do not open it unless absolutely
necessary. Unauthorized access will invalidate the
warranty.
WARNING
Since the control compartment contains a
3.6V lithium battery, only open it in safe area. If
the actuator is located in a hazardous area, a
“hot work” permit must be obtained unless the
actuator can be moved to a non-hazardous area.
If the actuator does not work, before
troubleshooting make sure that:
•thenumericdisplayindicatesxx%;
•thelocalselectorisnotinOFF;
•themainsupplyvoltageisthesameasstated
in the name plate menu;
•youmovethelocalselectortoOFFandcheck
that the alphanumeric display shows one of
the following messages:
- “normal off”
- “alarm off”
- “warning off”
- “ESD ON off”
- “INT off”
If the above checks are satisfactory try to locate
the fault using the diagnostic facilities.
12.1 THE ELECTRONICS DO NOT SWITCH ON
WHEN POWERED
•Checkthatthevalueofthemainvoltageon
terminals L1, L2, L3 is correct.
•Removethecoverofthecompartmentwhere
the electronic cards are located.
•Checkthefusemountedonthepowercard.
Replace it if burnt.
•IfthefuseisOK,checkthewiresbetween
terminals L1, L2, L3 and connector M1 of
the power card. If it is correct, replace the
power card.
12.2 DC OUTPUT VOLTAGE NOT AVAILABLE
AT THE TERMINALS
•Switchthemainpowersupplyoffand
disconnect all wires from terminals B1-B2
and C1.
•Switchthemainpowersupplyonandcheckif
the voltage on the terminals B1-B2 and C1 is
between 23 and 27 V DC.
•Ifthevoltageiscorrectchecktheexternal
wiring and the electrical load. It should not
exceed 4 W.
•Ifthevoltageisnotcorrectreplacethe
power card.
1. Power card
2. Fuse
12.3 THE ACTUATOR DOES NOT WORK FROM
REMOTE CONTROLS
•Movethe3-positionselectortoLOCALand
check that the actuator works from local
controls.
•MovethelocalselectortoREMOTE.Ifthe
ESD signal is active, the alphanumeric
display indicates “ESD On”. Check the signal
on terminals C3 and C4 and adjust the ESD
configuration. If the alphanumeric display
indicates “INT”, an interlock control is
present. Check the signal on terminals B3, B4
and B5, and adjust Interlocks configuration.
•Checkthat:
- the wiring to terminals B1-B2 and C1 is
correct;
- there is no short-circuit between wires;
- the electrical load does not exceed 4 W;
- the value is in the range 20-120 V AC
50/60 Hz or 20-125 V DC, if external voltage
supply is used.
12.4 THE MOTOR IS VERY HOT AND DOES
NOT START
•Checkthatnoalarmotherthanmotor
overheating is present.
•Waituntilthemotorcoolsdownandthe
normally closed contact of the thermal switch
automatically resets before trying to operate
the actuator again.
•Checkthatthenumberofoperationsperhour
and their duration is suitable for the actuator
service (see the name-plate menu).
•Checkthatthevalveoperatingtorqueis
within the range of the unit’s designed
operating torque.
•Alwayscheckthecausesofabnormal
operation.