Problem
All LEDs on the front
panel are off
S1 or S2 LED is off
Fault LED flashes
Fault LED lights up
Can not communicate
with the ATS
Fault LED
Environmental fault
E01
Output overload
E02
Over temperature (due to detection of ambient temperature)
E03
Over temperature warning (due to detection of S1 heat-sink temperature)
E04
Over temperature warning (due to detection of S2 heat-sink temperature)
Internal fault
E11
Over temperature (due to detection of S1 heat-sink temperature)
E12
Over temperature (due to detection of S2 heat-sink temperature)
E13
Auxiliary power 1 circuit is fail
E14
Auxiliary power 2 circuit is fail
E21
Input relay of S1 is open
E22
Input relay of S1 is short
E23
Input relay of S2 is open
E24
Input relay of S2 is short
E25
Input SCR of S1 is open
E27
Input SCR of S2 is open
E29
Firmware upgrade is fail
ATS-00_EN
Possible cause
The power sources, S1 and S2, are
both absent
The corresponding power source
is absent or out of range
Output overload
Over temperature
Internal component damage
Wrong setting or malfunction
6. Troubleshooting
Action
1. Check the output
(overload/short-circuit)
2. Check both power sources, S1 and S2
3. Reset the upstream circuit breakers
1. Check the corresponding power source
2. Reset the corresponding upstream
circuit breaker
Reduce the connected load
Check the environment temperature
Please contact service personnel
Refer to the user manual of
"SNMP IPv6 for ATS"
Page 11