13 DISMANTLING AND ASSEMBLY
OF SPECIAL UNITS
PAGE
13.11
Status information:
Sensor failure information is still stored and indicated even when the failure cause
has already been removed. By pressing the ▼ key the failure information is deleted.
9 Terminals of the Temperature Controller
issued: 14.10.2019
Revision: 23
text no.
13105-7/8
copy to:
a:
temperature controller
4710:
snap elbow
d:
power supply
PT100:
temperature sensor
e:
switching input (E1)
f:
sensor circuit, *) install separated from power lines
Display
Failure cause
Remedy
F1L
sensor failure, short circuit
check sensor
F1H
sensor failure, cable break
check sensor
F2
fault in three-wire correction
connect contacts 5(f)/6
F3L
boundary alarm
temperature low
F3H
boundary alarm
temperature high
- - -
key lock active
parameter P19 or A19
flushing
display
temperature alarm
buzzer
temperature alarm
buzzer can only be acknowledged by
the ▼ key
EP
data loss in the parameter store
(control contacts 1 and 2 are
currentless)
failure removal by switching mains
on/off;
if not possible, repair of the controller
necessary
95
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