Logamatic EMS – 6 720 801 387 (2011/05)
55
Troubleshooting
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 circuit 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
communicati
on with
UBA/MC10,
DBA, UBA-
H3, HM10 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, HM10 or
MCM10 is defective.
A01 828 Water
pressure
sensor is
defect.
Digital water
pressure sensor is
faulty.
B
Replace the water
pressure sensor.
A02 816 No
communicati
on 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 the RC35.
B
RC35Replace .
A11 802 Time is not
yet set.
Restricted functionality
for:
• All switching
programs
• Fault displays
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
• Fault displays
Date details are
missing, e.g. due to
lengthy power failure.
B
Enter the current
date.
SC
FC Error display
Effect on control
characteristics
Possible cause
Remedy
Table 23 Fault table
Содержание Logamatic EMS RC35
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