Errors And Elimination - Honeywell HCE80R Mounting And Operation Manual

24

Errors and elimination

Problem Cause/solution
Power LED does not Mains voltage not connected.
light up when the
f Check voltage of
power is switched on.
f Check fuse at underfloor
LEDs 1...8 of the The room name cannot
zones do not be assigned.
illuminate green
f Check the antenna connection.
continuously during
f Reassign the zone,
commissioning.
LEDs 1...8 of the The room setpoint generator/
zones do not sensor cannot be assigned.
illuminate red
f Check whether batteries in
continuously during
commissioning.
f Check the radio connection.
f Check the antenna connection.
Rooms are not f Check heating and
heated/cooled.
f Check the switch for setting
f Check the fuse of the
If fuse is defective:
f Check the thermal actuators
f Change the fuse.
electrical outlet.
heating controller.
if applicable.
the room setpoint generator/
sensor are inserted properly.
inlet temperature.
normally open/normally
closed (see Page 10).
underfloor heating controller.
for a short circuit.
Help with problems
Problem
The LED lights
up red after
commissioning.
The room temperature
is not controlled
correctly.
The LED
flashes rapidly.
The LED flashes.
The red LED of the
learned zone flashes
after binding.
Cause/solution
There is a fault in one of the
temperature zones (see Page 15).
f Check the radio connection.
f Check the antenna connection.
f Check whether zone is
assigned correctly.
f Check the batteries of
the assigned devices.
f Check whether a room
setpoint generator/sensor
is assigned to the room.
No device installed.
f Install the devices again.
No antenna connected
or antenna defective.
f Check the antenna connection.
f If applicable, replace the
antenna by a new one.
The evohome controller has
not yet sent a valid sensor value
of the DTS92/T87RF to the
underfloor heating controller.
The red LED extinguishes
after approx. 3 minutes.