Operating instructions
115
Troubleshooting
Faults which are displayed at the programming unit (cont.)
Fault
code
System
characteristics
Cause Remedy
92
Control mode
Only solar control
unit fault codes will
be displayed
Short circuit
Collector
temperature sensor,
connects to S1
(Vitosolic)
Check solar control
unit sensor
93
Short circuit
Cylinder
temperature sensor,
connects to S2
(Vitosolic)
94
Short circuit
Temperature sensor,
connects to S3
(Vitosolic)
9a
Lead broken
Collector
temperature sensor,
connects to S1
(Vitosolic)
9b
Lead broken
Cylinder
temperature sensor,
connects to S2
(Vitosolic)
9c
Lead broken
Temperature sensor,
connects to S3
(Vitosolic)
9f
Error
Solar control unit;
displayed if an error
without fault code
occurs at solar
control unit
Check solar control
unit
5862730GB