TROUBLESHOOTING
11
Palmgren Operating Manual & Parts List 9680149
SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION
Motor cannot start
Fuse or circuit breaker disconnected
Motor overheating
The hand wheel of a transverse or
feed trawl is too loose
The machine makes constant noise
During operation, the machine stops
Finish surface difference
Difficult to move the end part on
the guide rail
T - type nut is difficult to fix
1. The power supply is not on.
2. Low voltage
3. Motor open circuit or loose connection.
4. The external input socket is broken.
5. May which switch is bad or connect line
loosen;
1. wire or plug short circuit
2. circuit board short circuit 3.power supply
fuse or circuit breaker incorrect.
1. Motor overload
2. Air circulation of motor is restricted
1. The adjusting screw is not in place.
2. Hand wheel loosened
3. Wire rod assembly old or not in place
1. The gear or bearing is out of order.
2. The motor is out of order.
1. Drilling and milling too deep
2. The wrong speed or feed speed was used
in the drilling and milling operation.
3. Milling cutter damage
4. Motor or motor carbon brush damaged
5. Gear damaged
1. Speed or feed speed error
2. Milling cutter broken or wrong selected
1. Drying of guideway
2. Z shaft hand wheel to tighten
3. Over compacted with debris on guide rail
1. T type nut defect or damaged
2. T-groove on the wrong working table
1. Turn on the emergency stop button
2. Check that the voltage of the power supply is
correct.
3. Check that all the connections of the motor are
loosened or disconnected.
4. Check and confirm the input socket is ok.
5. Check switches and the connect lines is tighten.
1. Check wires and plugs for damaged or missing
insulation and replace them with extension wires.
2. Check the voltage of the power supply is correct
3. Check that all connections of the motor are loose
or welded or insulated, and replace the correct
fuse or circuit breaker in time
1. Reduce the load of motor
2. Clean the motor and ensure smooth circulation
of air
1. Tighten the adjusting screw and lubricate the bed
2. Tighten the hand wheel knob
3. Tighten all loose knobs on the thread rod
assembly.
1. Replace damaged gear or bearing
2. Replace motor
1. Reduce drilling depth
2. Choose the right speed
3. Replacement milling cutter
4. Replacement of carbon brush or motor
5. Replacement gear
1. Change the milling cutter by adjusting the correct
speed or feed speed
2. Change the cutter
1. Lubricating oil
2. Adjusting screw
3. Cleaning guide
1. Replacement of type t nut
2. Replacement of table or well-used T slot
