Troubleshooting Guide - Riello MTA 16A User Manual

Irregular operation of the ATS is not always an indication of a fault, and can often be resolved quickly and simply. Please
consult the table below, which may help you deal with some commons issues.
PROBLEM
THE ATS WITH THE
MAINS VOLTAGE
PRESENT, DOES NOT
TURN ON
(THE LEDs DOES NOT
BLINK AND NO BEEP IS
EMITTED)
THE LOAD IS NOT
POWERED
THE DISPLAY SHOWS
NOTHING OR PROVIDES
INCORRECT
INFORMATION
THE DISPLAY IS OFF
BUT THE LOAD IS
POWERED

TROUBLESHOOTING GUIDE

POSSIBLE CAUSE
NO CONNECTION WITH
INPUT PLUGs
INPUT SWITCHES IN "OFF"
POSITION
MAINS VOLTAGE NOT
PRESENT (BLACKOUT)
PROTECTIVE DEVICE
UPSTREAM ACTIVATED
NO CONNECTION WITH
OUTPUT SOCKETS
INTERVENTION OF 10A
THERMAL PROTECTION
THE DISPLAY HAS POWER
SUPPLY PROBLEMS
THE DISPLAY HAS POWER
SUPPLY PROBLEMS
Connect the mains to the input plugs as indicated in the
installation paragraph
Turn the input switches in "ON" position
Check that the mains voltage is present or check if the
UPS supplying the ATS is powered on.
Reset the protective device. Warning: check that there
is no overload or short-circuit at the output of the UPS.
Connect the load to the output sockets
The hermal protection device will operate in the event
of a short circuit or overload on one of the 10A output
sockets. The thermal protection can be reset by
pushing the button in which will result in the power
being reconnected to the load. Therefore prior to
attempting a reset of the thermal protection, please
check the connected loads rating and/or determine if
there are any problems. Then once reset reconnect
each load one at a time to ensure no problems exists.
Shut down the ATS completely and wait for a few
seconds.
Switch the ATS on again, if the problem persists,
contact the nearest technical support centre.
Contact the nearest technical support centre.
13
SOLUTION