Troubleshooting - Risco RP128EPS000A Guia De Instalacion

Troubleshooting

This section describes possible system problems and their solution.
Always perform the following preliminary checks before referring to the
troubleshooting table.
Perform a complete visual inspection of the SMPS, its battery, and AC
transformer for signs of mechanical damage, loose connections, or torn wires.
Check the connections of the incoming AC power source, AC transformer,
and battery.
Trouble
AC Failure
Trouble
Bell Loop
Trouble
Low Battery
Trouble
PS/UO LED
Flashing
OC LED
Flashing
No Output
Power from
SMPS
Probable
Meaning /
Cause
Indicates
problem with
mains power
Indicates that
the bell is either
faulty or not
connected
No battery,
battery is faulty,
or needs
recharging
Communication
problem
Indicates a
potential
overload
Faulty SMPS
SMPS - Installation Guide
Response
Check the mains input and panel box fuse.
Replace if necessary with a fuse of the
same rating.
Check bell/siren wiring. If siren is not used,
select the "No Bell/L. speaker" option from
the ProSYS menu (see Installer
Programming Menuon page 13).
Check battery voltage; replace if necessary
or wait until battery is recharged.
1. Check relevant (PS or UO) dipswitch for
correct ID settings and communication
enabling.
2. Verify appropriate distance of wiring
(refer to on page 17).
3. Perform Bus test from the ProSYS
menu.
Disconnect one or more accessories from
the AUX. or siren output. Use the ProSYS
diagnostics to check system load values
Programming Menu
(see User
13).
View PS troubles using the ProSYS LCD
keypad.
Check system for shorts. Perform restore
to the SMPS (see User
Menu
on page 13).
on page
Programming
15