KROHNE IFC 090 Converter EN - Manual (Page 58)

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Part 2 Signal converter IFC 090 D (D = display version) and
(cont’d) Signal converter IFC 090 B (B = basic version), without display
but with HHT or CONFIG operator program (see Sect. 6.2)
Group P Fault / Symptom Cause Remedial action
P 1 Totalizer connected but does Incorrect connection/polarity Connect properly,
not count any pulses see Sect. 2.4 + 2.7.
Totalizer or external voltage Check output (see Sect. 7.2)
source defective. with new totalizer:
Test ok, check connection
cables and previous
totalizers and external voltage
source, and replace if
necessary.
Test faulty, pulse output
defective, replace signal
converter (see Sect. 8.7)
or contact Krohne Service.
Current output is external Check connection and cables,
voltage source, short circuit see Sect. 2.3, 2.4 + 2.7.
or current / pulse output Voltage between I+ and I ⊥
defective approx. 15 V. Switch off
device, eliminate short circuit,
switch device on again. If no
function, then current or pulse
output defective. Replace
signal converter (see Sect.
8.7) or contact Krohne
Service.
Pulse output is deactivated, Switch on under Fct. 1.06.
see Fct. 1.06.
P 2 Unsteady pulse rate Electrical conductivity of Increase time constant under
product too low, Fct. 1.02, or switch on.
time constant too low or
switched off for pulse
output.
P 3 Pulse rate too high or Incorrect setting for Change setting under Fct. 1.06.
too low. pulse output.