47
TROUBLESHOOTING HINTS
Backbone encoder mode (General door panels)
Incorrect functioning of the inner door panels (if these exist)
Check that the
EL500/V2Plus
microprocessor circuit installed in the inner doors panels is
”
Version 2.00
”, and if it is not, replace it with one with this version
Calls cannot be made from the general door panels
Check if calls can be made from the inner door panels (if these exist).
Ensure that the backbone for the converters has been correctly programmed (page 38) and
check their connection (page 43-46) and their configuration (page 37).
Check the programming of the monitors/telephones (see
V2Plus
door panel manual) and
program again if it is necessary.
Check that there are no short-circuits in the multiplexer riser terminals or in the terminals of the
monitor/telephone bus wires. (See autodiagnostic LEDs in the
MC-V2PLUS
multiplexer
manual).
Check that the voltage in the terminals "Col" of the riser and "PL" of the panel/converter in the
multiplexer is 23 to 25,5 Vdc in standby mode. If this is not the case, disconnect the affected
terminal wires and check that there are no short-circuits or anomalies anywhere in the
installation.
Also check that the voltage between the - and + terminals of the FA-V2Plus power supply is
25.5 Vdc and 17.5 to 18.5Vdc in the FA-Plus/C power supply. If this is not the case, check the
power supplies and their connections
The converter cannot be programmed.
Check that the general door panel is in configuration mode before setting the number 1 dip
switch to ON (see page 37) and the programming steps are correctly followed (see page 38).
Check that the voltage in the "BUS terminal of the converter is 23 to 25,5 Vdc. If that is not the
case, disconnect the affected terminal wires and check that there are no short-circuits or
anomalies anywhere in the installation. (See autodiagnostic LEDs, page 38)
Backbone encoder mode (Coded panel)
Calls cannot be made.
Remember that the system remains inactive for 45 seconds after connecting the power supply,
and the same occurs upon connecting any unit to the installation.
Ensure that the backbone for the converter has been correctly programmed (page 38).
Check the connection of the converter (page 42) and its configuration (page 37).
Check that the voltage in the terminals "Col" of the column and "PL" of the panel/converter in the
multiplexer is 23 to 25,5 Vdc in standby mode. If this is not the case, disconnect the affected
terminal wires and check that there are no short-circuits or anomalies anywhere in the
installation.
If there is not multiplexer, check that the voltage in the converter "BUS" terminals is 23 to 25.5 Vdc
in standby mode. If that is not the case, disconnect the affected terminal wires and check that
there are no short-circuits or anomalies anywhere in the installation.
Also check that the voltage between the - and + terminals of the FA-V2Plus power supply is
25.5 Vdc and 17.5 to 18.5 Vdc in the FA-Plus/C power supply. If this is not the case, check the
power supplies and their connections
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1095 Budapest, Mester utca 34.
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