Buderus Logamatic EMS RC35 Installation And Service Instructions

Troubleshooting
Logamatic EMS RC35 programming unit - Subject to technical modifications
50
10
A01 815 Low loss
header
sensor
faulty.
This may result in the
following heating
circuits receiving
insufficient heat.
Temperature sensor is
incorrectly connected
or fitted.
Breakage or short cir-
cuit in the sensor lead.
Temperature sensor is
faulty.
B Check sensor
connection and
sensor lead.
B Check sensor
mounting.
B Compare resistance
values with the
sensor curve.
A01 816 No
communi-
cation
with
UBA/MC10,
DBA, UBA-H3
or MCM10.
The boiler no longer
receives heat demand
signals; the heating
system may no longer
generate heat.
EMS BUS system is
overloaded.
B Reset by switching
the heating system
ON and OFF.
B If necessary inform
your local service
centre.
UBA3/MC10, DBA,
UBA-H3 or MCM10 is
faulty.
A01 828 Water
pressure
sensor is
defect.
Digital water pressure
sensor is faulty.
B Replace the water
pressure sensor.
A02 816 No commu-
nication with
BC10.
BC10 settings are no
longer adopted by
RCxx devices.
Contact problem on
BC10 or BC10 is
faulty.
B Check BC10
connection.
B Replace BC10 if
required.
A11 801 internal error Heating system is in
emergency mode.
Internal runtime error
in RC35.
B Replace RC35.
A11 802 Time is not
yet set.
Restricted functionality
for:
• All switching
programs
• Error messages
Time details are
missing, e.g. due to
lengthy power failure.
B Enter the current
time.
A11 803 Date is not
yet set.
Restricted functionality
for:
• All switching
programs
• Holiday function
• Error messages
Date details are
missing, e.g. due to
lengthy power failure.
B Enter the current
date.
SC FC
Events
display
Effect on control
characteristics Possible cause Remedy
Tab. 21 Fault table

Buderus Logamatic EMS RC35 Specifications

General

Brand	Buderus
Model	Logamatic EMS RC35
Category	Controller
Language	English