Troubleshooting - Eaton STS Manual De Instalación Y Usuario

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Display
All LEDs on the front panel of the STS are
OFF.
One of the voltage-status LEDs 1 for the
sources is red.
The red fault LED 4 is OFF.
On STS 16, the two voltage-status
LEDs 1 for the sources are green.
The red fault LED 4 is OFF and the
application is not supplied with power.
The red fault LED 4 is ON.
The red LED 16 is ON.
Problem
The power sources S1 and S2 are absent.
The corresponding power source is absent
or outside tolerances.
There is an overload on the output circuits.
Internal fault in STS.
Sources out of synchronization, leading to
premature wear of the STS.

Troubleshooting

Solution
Check power sources S1 and S2.
Reset the circuit breakers 15 on the
rear panel of STS (if the fault has been
cleared).
Check the concerned power source.
Reset the circuit breaker 15 on the rear
panel of STS.
Reset the circuit breaker 9 .
Contact the after-sales technical support.
Check your installation.
51027617EN/AI - Page 13

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