alkitronic XH Series Руководство по эксплуатации и техническому обслуживанию - Страница 12

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alkitronic XH Series Руководство по эксплуатации и техническому обслуживанию

Operation and Maintenance Manual

11. Troubleshooting Guide

Fault description

Hydraulic Power Unit inoperative

Power switch or display (N) not illuminated

(Fig. 2a/2b)

Hydraulic Power Unit inoperative

Power switch or display (N) not illuminated

(Fig. 2a/2b)

Hydraulic Power Unit inoperative Power switch or

display (N) not illuminated (Fig. 2a/2b)

Hydraulic cylinder does not extend or retract

Hydraulic lines are very hot

Hydraulic Power Unit operating -

no pressure build-up

Power loss of the Hydraulic Power Unit

Leaking hydraulic cylinder

Problemdiagnose NOVA_e_121110.xls

Possible cause

Faulty socket / plug / power cord

Fuses blown

Insufficient fused power supply

FB NOVA remote control unplugged

Faulty connecting cable

Faulty electronics

Low hydraulic oil level

Misadjusted pressure relief valve

(Fig. 4, item 2)

Defective cylinder sealing

Low hydraulic oil level

Degraded hydraulic oil quality

Damaged pump

Misadjusted pressure relief valve

item 2)

Defect pressure relief valve

item 2)

Defective cylinder seal

Low hydraulic oil level

Defective cylinder sealing

Remedy

Components to be checked by authorized personnel

Install fuses with correct sizing

and tripping characteristics

Connect remote control

Remote control to be checked by alkitronic partner

Alternative for NOVA comfort: only use in emergency

operation mode