Fault Diagnosis - Glow-worm Climapro2 RF Installation Manual

MAINTENANCE
MAINTeNANCe

13 fault diagnosis

In case the signal is lost between the room
thermostat and the radio receiver (e.g. : batteries
exhausted), the heating system uses its own
functioning settings.
Faults described in this chapter should be carried
out by a qualified engineer and if needed by the
After Sales Service.
You will find a list of certain error codes in the user manual.
5
4
3
2
1
Legend
1 Radio receiver
2 Cover for radio receiver
3 Red LeD
4 Radio receiver circuit board
5 Green LeD
In the event of a problem:
• Check the error messages in the room temperature
thermostat's display zone
• Remove the cover (2) from the radio receiver (1) to see the
2 LEDs.
• Check the state of the 2 LEDs (green (5) and red (3) located
on the electronic board (4) in the radio receiver.
- 16 -
Radio Cause
receiver
Green LED - Failure of electrical
off supply
- Defective EBUS
Red LED connection cable
off
Red LED - Appliance fault
switched - Radio signal
on transmission error
- EBUS communications
error
- Defective radio
transmitter or receiver
- EBUS connecting
cable defective
Solution
• Ensure that there is
no interruption to the
electricity supply and that
the appliance is properly
connected and turned on.
• Check the electrical
connection between the
receiver and the appliance.
• Check that:
- The appliances functioning
status is correct
- The room thermostat
batteries are properly
installed in their
compartment
- The battery polarity is not
reversed
- The batteries are not
exhausted. If so, replace with
new batteries.
• Check the electrical
connection between the
receiver and the appliance.
• Check the radio
communication between the
thermostat and the receiver.
0020094586_01 - 08/10 - Glow-worm