Buderus Logamatic EMS User Manual

Logamatic EMS RC35 user interface - Subject to technical modifications. 51
Troubleshooting
10
A11 801 internal
error
Heating system is in
emergency mode.
Internal runtime error
in the RC35.
B Replace RC35.
A11 802 Time not
set.
Restricted functionality
for:
• All programs
• Fault messages
Time details are
missing, e.g. due to
lengthy power failure.
B Enter the current
time.
A11 803 Date not
set.
Restricted functionality
for:
• All programs
• Vacation function
• Fault messages
Date details are
missing, e.g. due to
lengthy power failure.
B Enter the current
date.
A11 804 internal
error
Heating system is in
emergency mode.
Internal runtime error
in the RC35.
B Replace RC35.
A11 806 Room
tempera-
ture sensor
defective.
Since the actual room
temperature is missing,
the following functions do
not work:
• Room influence
(for outdoor
temperature control)
• Switch point
optimization
In the case of room
temperature control, the
system is regulated to
max. temperature for HZx.
Built-in temperature
sensor on the RC35
controls/remote
control unit is
defective.
B Replace the remote
control unit.
A12 815 Sensor
separator
module is
defective.
Effects include
inadequate supply to
downstream heating
zones as they can no
longer be supplied with
the requested heat
amount.
Sensor incorrectly
connected or
installed. Breakage or
short circuit in the
sensor lead.
Temperature sensor
is defective.
B Check the sensor
connection and the
sensor lead.
B Check that the
sensor is correctly
mounted.
B Compare resistance
values with the
characteristic
sensor curve.
SC FC
Fault
message
Effect on control
characteristics Possible cause Remedy
Tab. 21 Fault table

Buderus Logamatic EMS Specifications

General

Brand	Buderus
Model	Logamatic EMS
Category	Network Router
Language	English