Bil-Jax Personal Lift ESP 19 Benutzerhandbuch

1.  Lift vehicle controls do not 

work at upper or lower con-
trol box. 

a.  Master power switch turned off. 

b.  Low battery power or faulty battery 

circuit. 
 

c.  Emergency stop button engaged 

(pushed in). 

d.  Battery ground or in-series battery 

cable loose. 

e.   Circuit breaker tripped. 

 
 

f. 

Battery cable or equipment ground 
lead loose or corroded.  

a.  Turn on master power switch. 

b.  Recharge batteries per paragraph 4-4. 

Check for faulty battery or cables if 
red battery charger LED is lit. 

c.  Rotate emergency stop buttons clock-

wise to disengage. 

d.  Check for and repair loose battery 

connections or ground fault. 

e.  Reset breaker. If breaker trips again, 

locate and correct short to ground in 
power circuit wiring. 

f. 

Clean and reconnect loose or cor-
roded battery cable or ground lead. 

2.  Lift vehicle controls do not 

work at upper control box, 
but do work at lower control 
box. 

a.  Emergency stop button engaged 

(pushed in) on upper control box. 

b.  Upper control box cable connectors 

unplugged. 

c.  Upper control box cable connectors 

plugged into wrong receptacles. 

d.  Enable pushbutton switch or wiring 

faulty. 

a.  Rotate emergency stop buttons clock-

wise to disengage. 

b.  Plug in cable connectors at front of 

upper control box. 

c.  Plug in cable connectors in opposite 

receptacles at upper control box. 

d.  Repair wire break or replace faulty 

switch. 

3. When 

UP 

function is se-

lected, pump motor runs but 
will not raise the platform. 

a.  Hydraulic oil level low in reservoir. 

 
 
 

b.  More than 450 lbs. on lift platform. 

c.  Emergency lowering valve open.  

d.  Up valve solenoid or solenoid wiring 

faulty. 
 
 

e.  Down valve sticking open or leaking. 

f. 

UP switch or UP switch wiring faulty.
 
 
 
 

g.  Mast sections dirty; slide blocks 

binding. 
 

h.  Internal leakage in hydraulic cylinder. 

a.  Check reservoir level. If low, check 

for oil system leakage. Refill reservoir 
and bleed air from hydraulic system 
per instructions in paragraph 4-3. 

b.  Ensure load is 450 lbs. or less. 

c.  Close emergency lowering valve. 

d.  Check voltage at up valve solenoid. If 

no voltage, check wiring. If voltage, 
exchange solenoids and recheck func-
tion; replace solenoid if faulty. 

e.  Repair or replace down valve. 

f. 

Check for lighted UP LED when up 
switch is engaged. If LED does not 
light, signal is not reaching main con-
troller; repair wire break or replace 
faulty switch. 

g.  Clean and lubricate masts with dry 

silicone. If needed, adjust slide bocks 
per paragraph 4-5.  

h.  Check cylinder housing for heat 

buildup due to leakage. If leakage is 
indicated, repair or replace hydraulic 
cylinder.