Applicable Error Checks - Mitsubishi a2 Serie Manual Del Usuario

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2 Simple Application Controllers
11.3.3

Applicable Error checks

1) If an External power supply error (M16) occurs:
Check the "+" and "-" connections to the AL2-2DA for correct wiring and installation
procedures.
Check the original Power Supply source for 24V DC operation.
AL2-2DA 11
ENG-60