7
Troubleshooting
Error
Cause
Remedy
Machine does not close/open
Insufficient amount of hydrau-
lic oil
Refill oil
Drainage valve hand wheel not
closed completely
Close drainage valve hand
wheel
Hand pump defective
Check hand pump
Hand pump cannot hold pres-
sure
Hydraulic bolted connections
leak
Check hydraulic bolted con-
nections for leakage,
cylinder seals may leak
Contact Service desk
Drainage valve hand wheel not
closed completely
Close drainage valve hand
wheel
Machine forms unevenly/coni-
cally
Bearing plates worn
Check bearing plates for wear
and replace if necessary
Base dies damaged
Check base dies for damage
and replace if necessary
Crimping dies damaged
Check crimping dies for da-
mage and replace if necessary
Crimping are not centred
Form workpiece preferably in
the centre of the crimping die
length
Crimping dimension not achie-
ved
Bearing plates worn
Check bearing plates for wear
and replace if necessary
Oil pressure too low
Check oil pressure at the MP
measuring point, pump or pipe
may be leaking or defective,
repair or replace
Incorrect crimping dies used
Check crimping die diameter
and crimping die section and
replace, if required (for crimp-
ing die section, please refer to
“Technical data” in Section 3)
Summary of Contents for ET4100
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Page 53: ...Retaining bolt Crimping die profile 262 263 239 266 232 237 554 245 246 247 245 114 4 x x x...
Page 54: ...9 6 Hydraulic diagram...
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