28
BA082601-en
Pos: 113 /Technis che Dok umentation/A lle G eräte/ Überschr iften/Üb erschriften 1.1/ F/Überschrift 1.1: Fehlerbehebung @ 8\mod_ 1206714646748_75.d ocx @ 179620 @ 2 @ 1
6.6
Troubleshooting
Pos: 114 /Technis che Dok umentation/Hebetechnik/Archiv/08 Scheren-Hebeb ühnen/ 2501 TWIN F II 3.0/BA/Inhalt: 0825 Fehlerbehebung TWIN F II/III @ 7\mod_ 1183639766437_75.d ocx @ 99102 @ @ 1
Error
Diagnosis
Remedy
Lift does not run.
Main switch turned off.
Turn on main switch.
Power failure.
Check for cause of power
failure.
Power cord interrupted.
Replace defective cord.
Fuses defective.
Replace fuses.
Lift does not raise.
Motor rotation reverse.
Interchange two phases at
main switch.
Low fluid level.
Refill fluid reservoir.
Button RAISE defective.
Check button and line, replace
if necessary.
Pump intake filter dirty.
Check and clean filter.
Lift capacity insufficient.
Pressure valve maladjusted.
Contact service.
Pump defective.
Lift does not lower.
LOWER solenoid valve
defective.
Contact service.
LOWER button defective.
Lift raises and lowers conside-
rably faster than usually.
RAISE and/or LOWER solenoid
valve defective.
Contact service.
Support plates lower without
control button being pressed.
LOWER solenoid valve does
not close completely.
Contact service.
Leakage in at least two
hydraulic lines.
Check connections for tight fit
and hoses for damage, replace
if necessary.
Lift shows jerky movements.
Pressure valves maladjusted.
Contact service.
Air in hydraulic system.
Pos: 115 /-----Format- ----/MANUE LLE R UMBRUCH Seitenumbruch @ 0\mod_ 1134403577687_0.docx @ 1277 @ @ 1
