Danfoss 088U0200 Instructions Manual page 13

Instruction CF-MC Master Controller
8. Specifi cations
Transmission frequency
Transmission Range
In normal constructions
Transmission power
Supply Voltage
Actuator outputs
Max. continued output load (total)
Relays
Ambient temperature
IP class
9. Troubleshooting
Error indication
Output LED(s), alarm LED
and output menu LED
fl ash. Buzzer is ON*
Output LED(s), alarm
LED and input menu LED
fl ash. Buzzer ON after 12
hours**
Output LEDs 1-4, alarm
LED and input LED fl ash
Output LEDs 1-5, alarm
LED and input menu LED
fl ash
* Buzzer is shut off by pressing OK. The error indication continues until the error
is fi xed
** If the Room Thermostat signal is lost, the Master Controller output will be
activated 15 minutes every hour for frost protection until the error is fi xed
VI.UH.K2.80
12
868.42MHz
30m
(up to)
<1mW
230V a.c.
10 x 24V d.c.
35VA
230V a.c./8 (2) A
0-50°C
30
Possible Causes
Output or actuator is short-circuited or
the actuator is disconnected
No wireless signal from Room Thermostat
connected to this or these outputs or the
temperature in the according room is be-
low 5°C. (Try to verify the function of the
room thermostat by making a link test)
No signal from the Remote Controller
No signal from Master Controller #2 or #3
Produced by Danfoss Floor Heating Hydronics 01.2006