Troubleshooting - Danfoss CF Instalación Y Funcionamiento

Troubleshooting

Appearance
CFM controller out-
put array blinks
specifically from a
row and column(s)
Alarm symbol in
zone controller,
CFZ flashes
Acoustic alarm
buzzes (provided
jumper is set to
"ON")
Master or slave
controller row(s)
and entire columns
lit on master output
array
Constant light in
LED array
LED on back of
room thermostat
does not blink dur-
ing test mode
All output LEDs are
unresponsive
CFM controller out-
put array blinks
rapidly 3 times spe-
cifically from a row
and column(s)
Problem Reason/cause
Distance between room and
Lack or ex-
cessive heat master is too far.
to floor heat-
ing system Degradation of signal due to
reinforced concrete or foil
faced insulation between
floors.
External antenna mounted
close to metal parts or wires.
Master control is placed in
metal enclosure.
Interference from electronic
equipment using the same
frequency, 433.92Mhz (i.e.
baby monitors, portable or
wireless headphones)
Low battery
Room tem-
perature is
o Problem in heating system
below 6 C
(43 o F) or signal to thermostat
Blown fuse in master/slave
No heat
Loose wire connection be-
tween master and slave con-
troller
No heat Defective zone actuator
Lack of heated fluid to sys-
tem
Lack or ex- Faulty battery
cessive heat
to floor heat- Bad contacts between bat-
ing system tery and thermostat
Defective room thermostat
No heat Improper wiring
Master controller is defective
Normal operation during test
None
of room thermostat
Solution
Reposition thermostat in
room until signal is clear.
Reposition external an-
tenna, however if signal is
still unclear move exter-
nal antenna to the
same floor as
thermostat(s)
Reposition room thermo-
stat and run test mode
Mount external antenna if
not already installed.
Eliminate interfering elec-
tronic equipment
Replace battery and test
thermostat
Check heating supply to
the system and the circu-
lator pump
Check master control,
CFM, is properly wired.
First check actuators for
proper wiring then re-
place fuse in
master/slave controller,
1.25A
Check wire and connec-
tion between master and
slave
Replace zone actuator
Check heating supply to
the system and the circu-
lator pump
Replace battery/
Adjust connection in ther-
mostat to ensure better
contact to battery
Replace room thermostat
Check wiring of power to
CFM
Replace master control-
ler.
3
Comments
If signal is
continuosly
poor contact
Danfoss
Max. load for
CFM 6W,
max. Load
for CFS 3W