51
Test points on the air baffle
What defect you can found on damper:
SLIDE:
BROKEN (SEE PICTURE
BELOW)
DEFORMED
GLUED WITH THE DAMPER
BODY
SOLID PARTS INTERPOSED
BETWEEN SLIDES
MOTOR:
ENGINE FAULTY
INTERNAL PART BAD
ASSEMBLY
Visual check of damper sliding door:
To detect if internal slide is broken (without disassemble
completely the damper) check if is manually possible to move
the slide over its limit position.
Note: on damper with transparent rear plastic base is possible to
check visually the slide condition.
1 = load, violet (N)
2 = line, motor control output, brown (L)
3 = feedback, orange (L)
1
3
Pin 1 (N) to Pin 2 or Pin 3 must be 230V
2
3
2
1
