Troubleshooting Guide - socomec ATyS C20 Mode D'emploi

6. TROUBLESHOOTING GUIDE

State
Electrical operation is not operational
Product is faulty (fault is active) FT1, FT2, FT3, FT4 • Disconnect power supply to try to reset the fault.
Source available led is never active when available • Press test lamp to verify if led is operational (push 5 seconds).
The changeover switch does not transfer
after loss of main
Test on load and off load can not be activated
from keypad
The changeover switch does not re-transfer
after main's return
Retransfer has been realised but emergency
source is still running (did not stop)
Electrical operation doesn't correspond to
commands
The product is in faulty position (FLT POS)
Error LCD Err XXXX
Action
• Verify voltage applied on terminals 100 Vac to 440 Vac or
9 Vdc to 30 Vdc for DC version.
• Verify state MAN of input if selected.
• In case of programming inputs FT1 or FT2, verify if external fault is not
active (atomatic reset).
• In case of programming inputs FT3 or FT4, verify if external fault is not
active. The fault must be reseted and you must validate with the push
button.
• Verify there is no message PROT 1 displayed (problem of phases rotation
of source 1).
• Verify nominal preset values (voltage and frequency).
• Verify voltage and frequency thresholds.
• Verify phases sequence.
• Verify state MAN of input, if selected.
• Verify emergency source is available (ex: genset is started).
• Verify voltage applied on terminals.
• Verify password to access test (4000).
• Verify state MAN of input, if selected.
• Verify 1RT is counted down.
• Verify state MAN of input if selected.
• Verify manual retransfer feature is not active
(press validation to allow retransfer).
• Verfiy 2CT is counted down.
• Verify Start Gen output relay command, terminals 13-14
(disconnect connector if required).
• Verify control logic (impulse, breaker or contactor mode).
• Verify the number of AC (auxiliary contacts) in the setup menu. It must be
in conformity with the number of AC connected.
• Verify the switch position.
• Send the product back to the manufacturer.
ATyS C20 / C30 - Ref. : 532 214 F 61