EF

EF

EF on DELTA inverters: External fault

DELTA inverters: VFD-EL، MS300

Disconnect the supply and wait for the capacitors to discharge before opening the inverter or touching its terminals.

Common causes

  1. A digital input set to external fault was triggered
  2. An external protection device tripped

Try first

  1. Find the device wired to that input and clear its cause
  2. Press RESET after clearing it
Not solved?Ask Electro for a technician or a larger inverterAll DELTA codes