Common Fault And Troubleshooting - Hyundai 15EPML Operation Manual

9. Common fault and troubleshooting

Some common faults and troubleshooting are listed in the table below:
No. Fault
1 Hydraulic oil leakage
2 Forks not lifting
3 Forks not lowering
4 Motor cannot work
5 Charger cannot charge Charger damaged
Cause analysis
1． Sealing failure;
2． Some spare parts
have slight damage
or wearing in surface.
3． Loose connection.
1． Work oil too
viscous, or work oil
not added;
2． Impurities in oil;
3． Hydraulic power unit
damaged.
1. Manual lowering
valve not properly
adjusted.
1. Power supply not
turned on
2. Battery runs out of
power
3. Brake not released
4. Fuse burnt
15
Troubleshooting
1． Replace sealing;
2． Replace damaged parts;
3． Fasten loose points again.
1． Replace work oil;
2． Clear impurities in oil line,
replace work oil;
3． Replace hydraulic power
unit.
1. Adjust lowering valve screw
position.
1. Insert key and start power
supply
2. Charge
3. Check whether range
switch on handle is pushed
down by collision, and
whether brake is damaged;
4. Replace fuse
Replace charger