Buderus Logamatic EMS RC35 Installation And Service Instructions

Logamatic EMS RC35 programming unit - Subject to technical modifications
53
Troubleshooting
10
A2x 829 RC20/RF as
remote
control.
RC20/RF unable to
transmit data to RC35.
Room temperature
control therefore not
possible for this HC.
RC20/RF address
incorrectly allocated in
RC35 or not installed
in RC35.
B Set the operating
unit parameter in
RC35 to RC20/RF.
B Check the
assignment of the
RC20/RF.
A2x 830 Low battery
for wireless
oper. unit
HCx.
No effect if the battery
is replaced in time.
Battery in RC20/RF
for HCx is low.
B Replace batteries.
A2x 839 No wireless
comm. with
oper. unit
HCx.
Wireless
malfunction.
Since the actual room
temperature is
missing, the following
cannot function:
• Room influence
• Switching point
optimisation
The RFM20 operates
with the last values set
on the remote control
unit.
RC20/RF is outside
the range of reception.
B Bring the RC20/RF
within the range of
reception.
Heating system has
been switched off.
B Switch on the
heating system.
When RFM20 was
replaced, the RC20/
RF was not registered
on the new RFM20.
B Register the RC20/
RF (see
documentation for
RC20/RF).
A2x 842 Frost
prot.selected
but no
rem.contr.
HCx.
Since the actual room
temperature is
missing, the following
cannot function:
• Room influence
• Switching point
optimisation
EMS operates with the
last values set on the
remote control unit.
No programming unit /
remote control unit
assigned, although
frost protection is
set to room
temperature.
B Check the
operating unit
parameter.
B Possibly change
over frost
protection to
outside temp.
A2x 843 Room
control
selected but
no
rem.contr.
HCx.
No programming unit /
remote control unit
assigned, although
room temp.
controlled is set.
B Check the
operating unit
parameter.
B Possibly change
over to outside
temp. contr.
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