User manual

Troubleshooting

• Please pay attention to the ﬂashing signals of the

device LED while inserting the batteries (see „8.4

Error codes and ﬂashing sequences“ on page

47).

Once the batteries have been inserted, the radiator ther-

mostat will perform a self-test (approx. 2 seconds). Af-

terwards, initialisation is carried out. The LED test display

will indicate that initialisation is complete by lighting up

orange and green.

Never recharge standard batteries. Do not throw

the batteries into a ﬁre. Do not expose batteries

to excessive heat. Do not short-circuit batteries.

Doing so will present a risk of explosion.

Used batteries should not be disposed of with

regular domestic waste! Instead, take them to

your local battery disposal point.

8 Troubleshooting

8.1 Weak batteries

Provided that the voltage value permits it, the radiator

thermostat will remain ready for operation also if the

battery voltage is low. Depending on the particular load,

it may be possible to send transmissions again repeat-

edly, once the batteries have been allowed a brief re-

covery period.