UM-PRORUNNER_Mk5-1.2-EN-US 111
Troubleshooting
The motor does not run. The operation or main power
supply switch is on "OFF".
Set the operation/main power
supply switch to "ON".
The door switch or emergency
stop is active.
Make sure that the situation is
safe. Then release the emer-
gency stop or the switch.
Use of energy (motor current)
too high and higher motor tem-
perature.
The weight of the products is
too much.
Make sure the specifications for
use of the machine have been
observed.
Use of energy (motor current)
too high and wear of chains
and/or drive belts.
The chain or drive belt has
been tensioned too tightly.
Lower the tension of the chain.
Refer to section 7.7.2.
The drive belt does not run in
line over the drive return
wheels.
Align the chain or the drive belt.
Use of energy (motor current)
too high and high temperature
of the bearing housing (some-
times accompanied by sound).
Ball bearing, ball bush, return
roller or the like is blocked.
Check the ball bearing, ball
bush, return roller or the like
and replace if necessary.
Abnormal sounds, unusual
vibrations and swinging move-
ments.
Drive system clogged by dirt. Check the movement of the
chain or drive belt and remove
dirt or deposit. Shorten the
cleaning interval.
Chains or drive belts are not
running parallel.
Check if the drive shafts are
straight with respect to the
frame and correct if necessary.
Guides, sprocket wheels or
return wheels are dirty or dam-
aged.
Check guides, sprocket wheels,
chains and return wheels for
damage or dirt. Replace or
clean them if necessary.
Irregular transport of the chain. The tension of the chain or the
drive belt is too low.
Tension the chain or the drive
belt. Refer to section 7.7.2.
Damaged chain. Replace the chain. Refer to
section 7.8.8.
Damaged return wheels. Replace the damaged return
wheels. Refer to section 7.8.10.
Increased temperature of the
bearing blocks. The return
wheels turn with difficulty.
Damaged bearing blocks or
return wheels.
Investigate and remedy the
cause. Reset the motor protec-
tion.
Transport speed too high. Investigate and remedy the
cause. Reset the motor protec-
tion.
Loose bolt connections. Investigate and remedy the
cause. Reset the motor protec-
tion.
Other machine parts run loose. Investigate and remedy the
cause. Reset the motor protec-
tion.
Problem Possible cause Solution