3 troubleshooting list – FlexLink Spiral Elevator User Manual
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6.3
Troubleshooting list
No. Trouble
Possible
cause
Solution
1. Spiral
Elevator
does not work
No power (volts) at the gear motor
The cause for lack of 
power to be 
investigated by 
qualified personnel. 
Gear motor defective
Replace the motor
2. Spiral
Elevator
does not work, but 
the motor is 
running 
Teeth on the sprocket wheel worn
Replace the sprocket 
wheel.
It is recommended to 
replace the entire chain 
at the same time.
The metal chain is not located on the 
sprocket
Realign the sprocket 
and investigate the 
cause. 
Product jamming the Spiral Elevator
Remove the product 
jam and check the width 
/ height detectors (if 
fitted). 
Product weight overload / too much 
product or weight on the Spiral 
Elevator 
Remove product and 
operate within the 
specification limits.
Metal chain broken
Repair or replace the 
metal chain and check 
sprockets.
3. Conveyor
plates
broken or 
misaligned 
Product jamming the Spiral Elevator
Remove the product 
jam and check the width 
/ height detectors (if 
fitted). 
Irregularities in the guide strips
Repair or replace the 
relevant guide strip. 
Foreign objects / material on conveyor 
chain 
Remove the foreign 
objects or materials. 
Chain too long, which makes the 
plates grab at the entry to the 
underside return guide 
Shorten the chain (see 
Section 6.2.3 on page 
50).
