HomeMatic IP HmIP-eTRV-E Notice D'installation Et D'emploi page 28

Troubleshooting
Figure 14
• Slide the battery compartment
cover (C) back up
Once the batteries have been
inserted, the radiator thermostat
will perform a self-test for approx.
2 seconds. After this, the device
performs an initialisation (
a test display (orange and green
lights).
Once the batteries have been
inserted, the radiator thermostat
will perform a self-test for approx.
2 seconds. After this, the device
performs an initialisation (
test display (orange and green
lights).
• Start the adjustment run (
again by briefly pressing the system
button (D).
Caution! Avoid skin and eye con-
tact when handling leaking batter-
ies. Wear suitable protective
gloves when removing leaking
batteries and residues from a de-
vice. Rinse with plenty of water in
the event of skin contact.
(see figure).
MANU
BOOST
) and
C
MANU
) and a
BOOST
C
)
MANU
BOOST
C
9 Troubleshooting
9.1 Weak batteries
Provided that the voltage value permits
it, the radiator thermostat will remain
ready for operation even if the battery
voltage is low. Depending on the par-
ticular load, it may be possible to send
transmissions again repeatedly once
the batteries have been allowed a brief
recovery period.
If the voltage drops too far during
transmission, the empty battery sym-
MANU
BOOST
bol ( ) and the corresponding error
C
code will be displayed on the device,
(see „6.1 Pairing" on page
case, replace the empty batteries with
two new ones (see „8 Changing the
batteries" on page
9.2 Command not confirmed
If at least one receiver does not con-
firm a command, the LED (D) lights
up red at the end of the failed trans-
mission process. The reason for the
failed transmission may be radio inter-
ference, (see „1 Package contents" on
page 20). This may be caused by the
following:
• Receiver cannot be reached.
• Receiver is unable to execute the
command (load failure, mechanical
blockade, etc.).
• Receiver is faulty.
22). In this
27).
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