Danfoss 088U0212 Instruction page 11

Instruction CF-RD Room Thermostat with Display
8. Troubleshooting
Error Indication
The LED,
flashes every 5th minute
The LED,
flashes every 30 sec.
The LED,
flashes
The LED,
flashes 5 times
E03 and
E05 and
VI.UH.Q4.1C
0
and
and
, and
and
Produced by Danfoss Floor Heating Hydronics 03.2007
Possible Cause
Low battery
Critical low battery
Critical low battery - trans-
mission has stopped
Installation/Link Test is
unsatisfactory
Actuator error on output
(CF-MC)
Room temperature below
5ºC