Upright SL26 Series User Manual

4-3
4. Troubleshooting
TROUBLE PROBABLE CAUSE REMEDY
1. F a ulty ba ttery After completely cha rging batteries , tes t each ba ttery. R epla ce as
2. Loose or broken C heck continuity of all battery and motor leads. R eplace if necess ary.
ba ttery lea d.
3. E mergency S top W ith emergency st op switch in t he ON pos ition, check cont inuit y
switch(es) failed open.
1. O il level in hydraulic C heck hydra ulic fluid level, top off as required.
reserv oir is low.
2. F aulty hydraulic C heck pres s ure and delivery of the hydraulic oil. R eplace if neces s ary
pump.
1. Emergency Clos e emergency
Lowering valve down valve .
ope n.
2. P latform Obs erve maximum load rating. (s ee Operation s ect ion of this manual)
overloaded, alarm sounds.
3. F a ulty controller a t Check functionality of controller. R eplace if fa ulty.
upper controls.
4. B a ttery level low. Check B a ttery V olta ge. Charge if neces s ary.
1. Emergency E ns ure that emergency lowering valve is completely closed. R epla ce
if neces s ary.
lowering valve
ope n.
2. Leaking pis t on C heck for leakage at cylinder return line, replace s eals if necess ary.
seals in lift
cylinders
All functions
inoperable,
engine does
not start.
Engine does
start but no
hy draulic power.
Platform drifts
down after being
elevated
Engine does
start, have
hy draulic power
but no electrical
funct ion.
4.3 TROUBLESHOOTING GUIDE

Upright SL26 Series Specifications

General

Brand	Upright
Model	SL26 Series
Category	Lifting Systems
Language	English