ENGLISH
1-17
DEUTSCH
35-51
FRANÇAIS
18-34
G. Troubleshooting
Problem
Possible Causes
Solution
Handset and Caller unit cannot
communicate
Handset and Caller unit has
di
ff
erent ID code
Battery has run down
Perform pairing process
Replace batteries in caller unit
Recharge battery in Handset using charger
cradle
Communication distance
become short
Many steel structures between
Handset and Caller unit
Battery has run down
The aerial switch
⑥
is on EXT
but you are not using an
optional external aerial
Relocate the position of your handset or
use the optional external aerial
Replace new battery in caller unit
Recharge battery in handset using charger
cradle
Please set your aerial switch
⑥
to INT (or
use an optional external aerial)
Handset battery low icon
always on
Battery pack is damaged and
cannot be recharged
Replace new battery pack
Door latch cannot be remotely
opened by handset
Cannot perform intercom
between handsets
The unit are not properly
paired
Battery has run down
Perform pairing process
Recharge battery using charger cradle
New Caller unit (back gate)
cannot communicate with
indoor unit
The new unit is not properly
paired to existing units
Perform pairing process
Opening button
⑬
has been
locked
Wrong connection at terminal
block
Unset opening button
⑬
child lock
Check your gate/lock connection
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