Viessmann VITODENS 333-F WS3A Service Instructions Manual page 75

Fault codes
(cont.)
Fault Const. Weath.-
code comp.
on the
display
59 X X
92 X X
93 X X
94 X X
9A X X
9b X X
System char- Cause
acteristics
No DHW heat- Outlet tem-
ing perature
sensor lead
broken
Control mode Collector
temperature
sensor short
circuit; con-
nects to the
Vitosolic at
S1
Control mode Cylinder
temperature
sensor
shorted out;
connects to
the Vitosolic
at S3
Control mode Temperature
sensor
shorted out;
connects to
the Vitosolic
at S2
Control mode Collector
temperature
sensor lead
broken; con-
nects to the
Vitosolic at
S1
Control mode Cylinder
temperature
sensor lead
broken; con-
nects to the
Vitosolic at
S3
Troubleshooting
Measures
Check sensors
(see page 83)
Check the sensor
at the Vitosolic.
Check the sensor
at the Vitosolic.
Check the sensor
at the Vitosolic.
Check the sensor
at the Vitosolic.
Check the sensor
at the Vitosolic.
75