23
If a fault occurs, the display shows
"ERROR"
.
Press
INFO
to show the fault message.
Fault message
Meaning
"ERROR OUTSIDE TEMPER-
ATURE"
Short circuit/lead break, outside temperature sen-
sor
"ERROR - FLAME"
No flame signal
"ERROR - WATER TEMP"
Temperature limiter has responded
Note
Fault messages which are displayed as
a fault code can be found in the instal-
lation and service instructions for the
heat generator.
For messages
"ERROR D0"
to
"ERROR D5"
, see the installation and
service instructions for the mixer exten-
sion kit.
Scanning temperatures and programs
Press
INFO
to select the required scan.
Depending on the system configuration,
not all scans are displayed.
Scan
Meaning
"ROOM TEMP"
Current room temperature
"OUTSIDE TEMP"
Current outside temperature
"P... ACTIVE"
Active program
"TARGET TEMP"
Set room temperature (for room temperature-de-
pendent mode)
"FEED SETPOINT TEMP"
Set flow temperature for heating circuit (if 1 heating
circuit is connected) or heating circuit without mixer
(if 2 heating circuits are connected)
"FEED SETPOINT TEMP 2"
Set flow temperature for heating circuit with mixer
(if 2 heating circuits are connected)
"ACTUAL FEED TEMP"
Actual flow temperature for heating circuit (if 1
heating circuit is connected) or heating circuit with-
out mixer (if 2 heating circuits are connected)
"ACTUAL FEED TEMP 2"
Actual flow temperature for heating circuit with mix-
er (if 2 heating circuits are connected)
"HW SETPOINT TEMP"
Set DHW temperature
"ACTUAL HW TEMP"
Actual DHW temperature
Troubleshooting
Fault messages
5837759
Service
Summary of Contents for VITOTROL 100 OT
Page 26: ...26 5837759 ...
Page 27: ...27 5837759 ...
