AKYAPAK AHS - Page 84

A: Akçalar Sanayi Bölgesi Sanayi Cad.
No: 8/A 16225 Akçalar BURSA / TURKEY
T: +90 224 280 75 00
F: +90 224 280 75 01
E: info@akyapak.com.tr
W: akyapak.com.tr
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AKYAPAK-AHS-UserManual-2019.03.11
leaking.
FAULT
DETECTION
REMEDY
Cover does not open
Lower roll is not in the
lowest position.
Check it.
Cover valve is not powered.
Check it.
Check the cover valve relay
and fuse.
Check it.
Button may be faulty
Check it.
Cover may be stuck.
Check it.
Upper roll does not move up
Cover may not have
contacted its switch down.
Check it.
Upper roll valve is not
powered.
Check it.
Check the upper roll valve
relay and fuse.
Check it.
Button may be faulty
Check it.
Check speed setting valves in
the lifting cylinder.
Check it.
Hydraulic cylinder leaks.
Check it.
Upper roll rotates, lower roll
does not rotate.
Speed setting valve may be
faulty.
Check it.
Excessive pressure may have
applied on lower roll.
Check it.
Slider may be broken.
Check it.
Hydraulic motor may be
faulty.
Check it.
Reducer may be faulty.
Check it.
Lower roll rotates, upper
roll does not rotate.
Slider may be broken.
Check it.
Hydraulic motor may be
faulty.
Check it.
Reducer may be faulty.
Check it.
ROLLS do not operate
slowly/rapidly.
Low speed valve is not
powered.
Check it.
Check the low speed valve
relay and fuse.
Check it.
Button may be faulty.
Check it.
Valve may be faulty.
Check it.