Troubleshooting - Varifan SVIM-1LE User Manual

SVIM-1
LE

TROUBLESHOOTING

SYMPTOMS
Display is blank
Open or close
lights go ON but
motor isn't working
The air inlet does
not go to the same
position as
indicated by the
LED
Err1 on display
Err2 on display
Page 32
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CAUSES and SOLUTIONS
−
Verify that the line voltage selector switch is
properly set.
−
Check if fuse F3 is blown.
−
Verify that the 10 pin flat cable between the
main board and the faceplate board is
connected.
−
The actuator is at its end (open or closed).
−
Fuse F1 is blown. Replace with fuse of the
same type.
−
The actuator's motor thermal protection is
OPEN.
−
Possible wiring problem.
−
The actuator is defective.
−
The SVIM-1LE has never been calibrated.
−
The actuator's motor
backwards, exchange the OPEN and
CLOSE wires of the right hand side (refer to
figure 2).
−
The curtain is jammed.
−
SVIM-1LE's calibration is lost.
−
Fuse F1 is blown.
−
Possible wiring problem.
−
The actuator's motor thermal protection is
OPEN.
−
Potentiometer is hooked up backwards or
OPEN and CLOSE wires are inverted.
is connected