Automatic Transfer Switch
TROUBLESHOOTING GUIDE
ATyS 3e, 6s, 6e
STATE
ATyS 3e, 6s & 6e
Electrical operation is not working
Manual operation using handle is not
possible
A / M selector does not allow AUT position
Product is faulty (fault is active)
Impossible to padlock the product
ATyS 6s & 6e
Source available led is never active
when available
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) • Verify start Gen output relay command,
Optional modules 2I / 2O and
COM not dectected after plug in
Electrical operation not according to commands • Verify Sce parameter configuration (source 1 or 2).
I, 0, II
ATyS 3e, 6e
Electrical operation not according
to remote external commands
SOCOMEC - Réf.: 531 848 F
ATyS
ACTION
• Verify voltage applied on terminals 101 / 102 and 201 / 202
is 220-240 Vac ± 20 %
• Verify selector mode position is on AUTO (Automatic)
• Verify selector mode position is on Man (Manual)
to allow handle introduction
• Verify product is not padlocked
• Verify handle rotation direction is correct
• Apply enough progressive power on the handle to allow movement
• Verify handle is removed from housing
• Verify product is not padlocked
• Verify type of key used (ATyS 3e and 6e)
• Disconnect power supply to try to reset the fault
(terminals 101-102, and 201-202)
• In case of optional module connection,
verify external fault input Ft1 or Ft2 is not active
• Verify active mode (manual)
• Verify handle is removed from housing
• Verify changeover switch position is 0
(excepted in case of 3 positions padlocking option)
• Press test lamp to verify led is operational
• Verify nominal preset values (voltage and frequency)
• Verify voltage and frequency thresholds
• Verify A / M selector is on AUTO position
• Verify emergency source is available (ex: genset is started)
• Verify voltage applied on terminals 101 / 102 and 201 / 202
is 220-240Vac ± 20 %
• Verify password to access test (4000)
• Verify A / M selector is on AUTO position
• Verify MRT is counted down
• Verify A / M selector is on AUTO position
• Verify manual retransfer feature is not active
(press validation to allow retransfer)
• Verfiy CDT is counted down
terminals 73-74 (disconnect connector if required)
• Verify optional modules are correctly tightened
• Wait for 3 minutes, power off, to reset and allow optional module detection
If Sce = I, command 1 will close switch I.
If Sce = II, command 1 will close switch II
• Verify control logic (impulse or contactor mode)
• Verify external command are not inhibited (terminals 313 and 317)
133