Owner's manual

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Part 1 Converter IFC 010 B (B = basic version), without display
(cont’d) and without HHT or CONFIG operator program
Group I Fault / Symptom Cause Remedial action
I 1 Receiver instrument Connection/polarity incorrect. Connect properly as described
indicates “0”. in Sect. 2.3.
Receiver instrument Check connecting cables and
defective. receiver instrument, and
replace if necessary.
Short between current output Check connections and
and pulse output cables, see Sect. 2.3,
voltage between I
+
and
I⊥ approx. 15 V. Switch off
device, eliminate short-circuit,
switch device on.
Current output defective Replace signal converter
(see Sect. 8.4) or contact
Krohne Service.
I 2 22 mA present at current Current output I overranged Check device parameters
output (fault current) and change if necessary,
see Sect. 6.1, or contact
Krohne Service
I 3 22 mA present at current Fatal Error Replace signal converter
output (fault current) (see Sect. 8.4) or contact
and red LED shows. Krohne Service
I 4 Unsteady display – Process product Increase time constant,
– conductivity too low, see Sect. 6.1, or contact
– particles/air inclusions Krohne Service.
– too large or inhomogeneous
– Pulsating flow
– Time constant too low
Group P Fault / Symptom Cause Remedial action
P 1 Connected totalizer not Connection/polarity incorrect Connect properly as described
counting any pulses in Sect. 2.3
Totalizer or external Check connection cables,
voltage source defective totalizer and external voltage
source, and replace if necessary.
Current output is external Check connection and cables
voltage source; short-circuit, (see Sect. 2.3), voltage
or current/pulse output between I
+
and I⊥ approx.15 V.
defective. Switch off device. Eliminate
short-circuit and switch device
on again. If no function then
current or pulse output
defective. Replace signal
converter (see Sect. 8.4) or
contact Krohne Service.
Pulse output inactive, Switch on, see Sect. 6.1, or
see Fct. 1.06 and report contact Krohne Service.
on settings.
Fatal Error, red LED shows. Replace signal converter
(see Sect. 8.4) or contact
Krohne Service.
P 2 Unsteady pulse rate – Process product Increase or switch on time
– conductivity too low, constant, see Sect. 6.1,
– particles/air inclusions or contact Krohne Service.
– too large or inhomogeneous
– Pulsating flow
– Time constant too low
– or switches off
Group LED / I / P Fault / Symptom Cause Remedial action
LED / I / P 1 Red LED flashes, current output Fatal Error, hardware fault Replace signal converter
indicates fault current and pulse and/or software error (see Sect. 8.4) or contact
output “0”. Krohne Service.