VERS. 04.12.2019
MAN CWM 216/254 EN
21
4
BREAKDOWN – CAUSES AND CURES
4.1 Breakdown-finding procedures
Should any breakdown occur during the use of the machine, turn it off, and isolate it from the electrical supply.
Any works dealing with the electrical system or supply of the machine can only be carried out by a qualified
electrician.
4.2 Trouble-shooting guide
Trouble
Possible source
Resolution
1.Product does not
start
1.1. Not connected to power
supply
1.2. Power cord or plug is
defective
1.3. Other electrical defect to
the product
1.1. Connect to power supply
1.2. Check by a specialist
electrician
1.3. Check by a specialist
electrician
2.Product does not
reach full power
2.1. Extension cord not
suitable for operation
with this product
2.2. Power source (e.g.
generator) has too low
Voltage
2.3. Air vents are blocked
2.1. Use a proper extension
cord
2.2. Connect to another power
Source
2.3. Clean the air vents
3. Product does not
cut
3.1. Not connected to power
supply
3.2. Saw blade is worn or
damaged
3.3. Bevel and mitre angle
incorrectly adjusted
3.1. Connect to power supply
3.2. Replace with new one
3.3. Check and adjust
according to the
instruction manual
4.Unsatisfactory
result
4.1. Dull / damaged saw
blade
4.2. Cutting angle is incorrect
4.3. Saw blade not suitable
for work piece material
4.4. Overheated saw blade
4.5. Workpiece not clamped /
placed properly
4.1. Replace with new one
4.2. Adjust the bevel and / or
mitre cutting angle
4.3. Use proper saw blade
4.4. Let the work cool down
before using again
4.5. Clamp / place the
workpiece properly before
cutting
5. Excessive
vibration or noise
5.1. Saw blade is dull/
damaged
5.2. Bolts/nuts are loose
5.1. Replace with a new one
5.2. Tighten bolts/nuts
