DOES NOT STOP AT HOME POSITION
count sensor has been displaced or is defective.
the proximity sensor. If the problem reoccurs replace the sensor.
gap between the proximity sensor and the counter block is too large
(see if input no. 1.1 on the PLC flashes 16 times for a WLP-WHP
200 and 2 times for a WHP-300, for every turn).
the proximity sensor closer to the sensor block.
down time (deceleration) is too high; causing an overshoot of the
parameter P002 on turntable's VFD. It must correspond to the setting
that was entered at the factory. (Contact us to obtain an updated
VFD parameter listing for your machine)
GOES UP/DOWN BUT THE TABLE DOES NOT TURN
speed potentiometer for the table is set to "zero" on
speed with the control potentiometer located on the control panel.
sprocket key is missing or broken.
drive sprocket key.
The motor-to-gear reducer key sheared.
the key of the motor-to-gear reducer.
The turntable drive chain fell off or is broken.
the power off to the machine and fix the chain.
load of excessive weight has been placed on the table.(for a standard
LP or HP the capacity is 4000lbs; some models have an optional capacity
load from turntable. Jog the turntable in manually. If it runs,
wrap loads only within your machine's capacity.
has faulted or is defective.
See Control Panel troubleshooting
NOISE EMINATING FROM TURNTABLE
WLP models, one or more of the cam follower supports may have seized.
Remove turntable and inspect all cam followers. Replace defective
For WHP models, one or more caster wheels or bearings may have seized.
Remove turntable and inspect the caster wheel and bearings. Replace
The center bearing may be defective.
the turntable and inspect the center bearing. Replace defective
CONTINUES TO TURN AT MINIMUM SPEED AFTER END OF CYCLE
rotation drive is defective.
Control Panel trouble-shooting guide.
counter is not counting (see if input No. 4 on the PLC flashes 16
times as turntable makes each turn).
the gap between the cam and proximity sensor.