Controller
ATyS
TROUBLESHOOTING GUIDE
ATyS C40
64
SOCOMEC - Réf. : 532 929 B
STATE ACTION
Electrical operation is not working • Verify voltage applied on terminals 9 Vdc to 30 Vdc for DC version
• Verify state of input MAN if selected
Product is faulty (fault is active) • Disconnect power supply and reconnect to reset fault
FT1, AL1, FT2, AL2 • In case of programming inputs FT1 or FT2, verify if external fault is not
active. If the external fault disappear it acquit the fault
• Verify inputs (NO, NC…) configuration
Source available led is never active • Press test lamp to verify led is operational (push 5 seconds)
when available • Verify nominal preset values (voltage and frequency)
• Verify voltage and frequency thresholds
The changeover switch does not transfer • Verify state of input MAN, if selected
after loss of main • Verify emergency source is available (ex: genset is started)
• Verify voltage applied on terminals
Test on load and off load
• Verify password to access test (5000)
can not be activated from keypad
• Verify state of input MAN, if selected
The changeover switch • Verify if dtt is counted down
does not re-transfer after main's return • Verify state of input MAN if selected
• Verify manual retransfer feature is not active
(press validation to allow retransfer)
Retransfer has been realised but • Verify if CDT is counted down
emergency source in still running (did not stop) • Verify Start Gen output relay command,
(contacts 13-14 or 53-54 depending on genset)
Electrical operation not according to commands • Verify control logic (impulse or contactor mode)
• Verify Rn variable in Setup menu
The product is in faulty position • Verify the number of AC in the setup menu. It must be in conformity with the
number of AC connected
• Verify the switch position
Error LCD Err XXXX • Send the product back to the manufacturer
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