eQ-3 MAX Operating Manual page 25

LED flashing sequences and transmission behaviour
Error code on
the display
LOC
CAL
Battery sym-
bol + F9
Battery sym-
bol + 10
Syn
trd
tSd
25
Description/
problem
Operating lock ac-
tivated
Routine descaling
is active
Battery voltage too
low, valve moved to
error position
Battery voltage
much too low
Attempts to syn-
chronize with
known MAX! de-
vices
Transceiver module
defect
Temperature sen-
sor defect or out of
range
Solution
Deactivate the operating
lock (see sec. "11 Child safe-
guard/operating lock" on
page 22)
Automatic function
replace batteries of radiator
thermostat
replace batteries of radiator
thermostat
/
Replace device
replace device or operate
device in current tempera-
ture range