RISCO Group SMPS 3A - Manual (Page 15)

SMPS - Installation Guide 15
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
Probable
Meaning /
Cause
Response
AC Failure
Trouble Indicates
problem with
mains power Check the mains input and panel box fuse.
Replace if necessary with a fuse of the
same rating.
Bell Loop
Trouble Indicates that
the bell is either
faulty or not
connected 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).
Low Battery
Trouble No battery,
battery is faulty,
or needs
recharging Check battery voltage; replace if necessary
or wait until battery is recharged.
PS/UO LED
Flashing Communication
problem 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.
OC LED
Flashing Indicates a
potential
overload Disconnect one or more accessories from
the AUX. or siren output. Use the ProSYS
diagnostics to check system load values
(see User
Programming Menu on page
13).
No Output
Power from
SMPS Faulty SMPS View PS troubles using the ProSYS LCD
keypad.
Check system for shorts. Perform restore
to the SMPS (see User
Programming
Menu on page 13).