Lead Break, Cylinder Temperature Sensor 1 - Viessmann Vitotronic 11 CC1E Installation And Service Instructions Manual

Fault messages
(cont.)
Cause
Short circuit, buffer temperature sensor or low loss
header temperature sensor

58 Lead break, cylinder temperature sensor 1

■ Cylinder loading pump on:
DHW temperature target = set flow temperature
Priority control is cancelled.
or
■ With cylinder loading system:
Cylinder heating is started and stopped via cylinder
temperature sensor 2.
Cause
Lead break, cylinder temperature sensor 1
59 Lead break, cylinder temperature sensor 2
With cylinder loading system:
Cylinder heating is started and stopped via cylinder
temperature sensor 1.
Cause
Lead break, cylinder temperature sensor 2
5A Lead break, buffer temperature sensor
Control mode
Cause
Lead break, buffer temperature sensor or low loss
header temperature sensor
60 Short circuit, temperature sensor 17A
Boiler with maximum temperature, no output reduction,
mixing valve for return temperature control open
towards the system
Cause
Short circuit, temperature sensor
Measure
■
■
Measure
■
■
Measure
Check the cylinder temperature sensor: See chapter
"Checking temperature sensors"
Measure
■
■
Measure
aJA Check the temperature sensor: See chapter "Checking
temperature sensors"
Sensor at connection /
) ?
Check the sensors: See chapter "Checking tempera-
ture sensors"
Check the cylinder temperature sensor: See chapter
"Checking temperature sensors"
Without cylinder temperature sensor: Check parame-
ter "00" in the "General" group and adjust if necessa-
ry.
Check the sensor at connection
"Checking temperature sensors"
Without buffer temperature sensor
or
Temperature sensor, low loss header:
Set parameter "20:0" in the "General" group.
Troubleshooting
/ : See chapter
) ?
89