RIEXINGER BSM 630, Operating Manual

Page: 44 / 70

42 8. Finding an reparing malfuncitons
8.2 Repair electrical malfunctions
Warning!
Electrocution hazard!
Only an electrician may repair an electrical malfunction of the machine's elec-
trical equipment if these activities differ from operating tasks. The repair must be
conducted according to electro-technological regulations.
Danger!
Running saw band may cause serious severance injury!
l
Before repairing a malfunction turn off machine at main switch so the
motor is not accidentally turned on.
l
The malfunction may only be repaired by one person at a time.
Go through the table from top to bottom when searching for the cause of the malfunction.
Malfunction Cause Corrective action
The saw-band motor cannot
be activated, saw-band motor
starts not to run
Main switch turned off
Turn on main switch (see
Chap. 7.3 on p. 33)
The machine is not connected to
power supply.
Connect machine to power
supply (see Chap. 6.5 on p.
29)
Power failure Re-establish power supply
Circuit breaker triggered in supply
cable Determine cause and activate
circuit breaker
Power supply is defective.
Request service technician
(see Chap. 8.5 on p. 46)
Safety push buttons not pressed
Press and hold both push but-
tons at the handle
Check phase rotation
If the rotating field is
counter-clockwise turn phase
inverter in the plug
Rotating field monitoring has trig-
gered Check rotating field of power
line
Rotating field of power line is
incorrectly Turn phases by phase
inverter in plug
The motor is buzzing after
switching on and does not
come up to rated speed Missing phase in power supply,
error motor connection, plug,
supply line
Check power supply, check
motor connection
BSM 630