Dings Dynamics Group 1-70 Series180TC - 250TC - Manual (Page 9)

SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION
Brake does not release 1. Broken or damaged parts 1. Replace.
2. Wrong voltage 2. Check for correct voltage. Voltage must
correspond to that listed on brake
nameplate. If the voltage is more than
10% below the nameplate voltage, the
magnet may not pull in.
3. Burned out coil 3. Replace magnet assembly (15A).
4. Incorrect wiring connections or 4. Find the connection or wiring fault.
broken wires Correct or repair as required.
Brake does not stop 1. Broken or damaged parts 1. Replace.
properly
2. Worn friction disc 2. Replace disc if worn to 1/8” thickness.
If disc replacement is not required,
adjust air gap. (Refer to “Wear
Adjustment” section.)
3. Hub positioned incorrectly 3. Relocate hub (1) and key, if required.
(Refer to “Installation” section.)
4. Bake is manually released 4. Determine if manual release is in
normal position.
Brake chatters or hums 1. Dirty magnet faces 1. To remove dirt, insert a clean sheet of
paper between faces and energize
brake. Move paper around between
faces to dislodge dirt, then remove
paper.
2. Magnet faces are not parallel in 2. See “Pivot Stud Adjustment” section.
closed position
3. Loose or broken shading coil 3. Replace magnet assembly (15A).
4. Wrong voltage supply 4. Check for low voltage.
Manual release does not 1. Broken or damaged parts 1. Replace.
work
2. Improper setting 2. See “Manual Release Adjustment”
section.
TROUBLESHOOTING CHART
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