User manual

Troubleshooting

complete by lighting up orange and green

(see sec. “5.1

General notes on installation” on page 24)

Caution! There is a risk of explosion if the battery

is not replaced correctly. Replace only with the

same or equivalent type. Never recharge stand-

ard batteries. Do not throw the batteries into a

ﬁre. Do not expose batteries to excessive heat.

Do not short-circuit batteries. Doing so will pres-

ent 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 temper-

ature and humidity sensor will remain ready for opera-

tion also if the battery voltage is low. Depending on the

particular load, it may be possible to send transmissions

again repeatedly, once the batteries have been allowed a

brief recovery period.

If the battery voltage is too weak, this will be displayed

in the Homematic IP app and directly on the device via

the device LED

(B)

(see “8.3 Error codes and ﬂashing se-

quences” on page 31). In this case, replace the empty