operation manual

76
Troubleshooting
10.3.2 Flashing sequences of the channel LED
Flashing code Meaning Solution
Slow
flashing
Emergency op-
eration activated
Change batteries
of the wall
thermostat,
perform a
communication
test, re-position
the wall
thermostat (if
required), replace
wall thermostat if
defective
Short double
flashing
Radio connec-
tion to wall ther-
mostat failed
Re-position wall
thermostat or
add a repeater
(see sec. „10.1
Command not
confirmed“ on
page 72).