Troubleshooting; Cf-Mc Master Controller 1; Cf-Rs, -Rp, -Rd And -Rf Room Thermostats - Danfoss CF-MC Installation Manual

Installation Guide CF-MC Master Controller

9. Troubleshooting

9.1 CF-MC Master Controller
Error indication
Output LED(s), alarm LED and output menu
LED flash. Buzzer is ON*
Output LED(s), alarm LED and input menu
LED flash. Buzzer ON after 12 hours**
Output LEDs 1-4, alarm LED and input LED
flash
Output LEDs 1-5, alarm LED and input menu
LED flash

CF-MC Master controller 1:

Alarm and Install LED's flashes for approx.
20 sec.
CF-MC Master Controller 2:
Alarm LED lights up for approx. 1 sec.
* Buzzer is shut off by pressing OK. The error indication continues until the error is fixed.
** If the room thermostat signal is lost, the CF-MC Master Controller output will be activated 15 minutes
every hour for frost protection until the error is fixed

9.2 CF-RS, -RP, -RD and -RF Room Thermostats

Error indication
The LED ( and
minute
The LED ( and
The LED, , and
The LED ( and
E03 and *
E05 and *
* Only valid for CF-RD and -RF Room Thermostats
12 01/2016
*) flashes every 5th
*) flashes every 30 sec.
flashes*
*) flashes 5 times
Possible Causes
Output or actuator is short-circuited or the actua-
tor is disconnected
No wireless signal from room thermostat con-
nected to this or these outputs or the temperature
in the according room is below 5 °C. (Try to verify
the function of the room thermostat by making a
link test)
No signal from the CF-RC Remote Controller
No signal from CF-MC Master Controller 2 or 3
CF-MC Master Controller 2 has an older version of
software, which is not compatible with the newer
software in CF-MC Master Controller 1
Possible Causes
Low battery
Critical low battery
Critical low battery
- transmission has stopped
Installation/Link Test is unsatisfactory
Actuator error on output (CF-MC)
Room temperature below 5 °C
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