HF074AEN_v0403_04 Atex_IECEx_CSA_FM
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APPENDIX B: PROBLEM SOLVING
In this appendix, several problems are included that can occur when the F074-A is going to be
installed or while it is in operation.
Level displays "0 / zero" while a higher signal is available:
Check:
SETUP 13 / 23: is the span correct?
SETUP 14 / 24: is the offset value correct?
SETUP 63 / 64: is the sensor input signal correctly calibrated?
The pass code is unknown:
If the pass code is not 1234, there is only one possibility left: call your supplier.
Range error
Range error (LO RANGE or HI RANGE): the input value is at least 5% above or below the
calibrated measurement range SETUP 63, 64. Do recalibrate the input if desired.
ALARM
When the alarm flag starts to blink an internal alarm condition has occurred. Press the "select
button" several times to display the 4-digit error code. The codes are:
0001:
irrecoverable display-data error: data on the display might be corrupted.
0002:
irrecoverable data-storage error: the programming cycle might have gone
wrong: check programmed values.
0003:
error 1 and error 2 occurred simultaneously
high - low alarm:
the low level is a higher value as the high value and vise versa.
The alarm condition will almost certainly be handled internally and if all mentioned values still appear
correct, no intervention by the operator is needed. If the alarm occurs more often or stays active for
a longer time, please contact your supplier.
