Symptom
Nothing happens when
the handset buttons are
pressed
Hoist lacks lifting power
Actuator stops intermittently
during raising
Actuator noisy
Actuator runs but does
not lift
Actuator only runs in
one direction
Battery will not charge
Possible Cause
1. Emergency stop
button pressed in.
2. Handset not plugged in
3. Actuator not plugged in
4. Bad contact on handset
5. Battery fuse blown
6. Charger connected
7. Battery not seated
on control box
1. Battery low
2. Actuator failing
3. Control box failing
1. Load too heavy
2. Battery low
3. Actuator overheating
4. Actuator failing
5. Control box failing
1. New actuator – grease
unevenly distributed
(not run in)
2. Old actuator – unit
failing
Gears damaged
1. Control box failure
2. Handset switch
failure
3. Handset lead, plug
or socket damaged
1. Mains lead unplugged
2. Mains socket not
switched on
3. Mains lead damaged
4. Mains fuse blown
5. Battery fuse blown
6. Battery not seated on
control box correctly
7. Battery discharged
below minimum level
8. Battery charger failed
Remedy
1. Reset emergency stop switch
2. Plug in correctly
3. Plug in correctly
4. Change handset
5. Call Service Engineer
6. Unplug charger
7. Reseat battery and check
latch is engaged
1. Charge battery
2. Call Service Engineer
3. Call Service Engineer
1. Check Safe Working Load of
hoist
2. Charge battery
3. Call Service Engineer
4. Call Service Engineer
5. Call Service Engineer
1. Cycle actuator on no load
and on light load
2. Call Service Engineer
Call Service Engineer
1. Call Service Engineer
2. Replace handset
3. Replace Handset
1. Plug in mains plug
2. Switch power on
3. Replace mains lead
4. Replace fuse (once only)
5. Call Service Engineer
6. Reseat battery and check
latch is engaged
7. Call Service Engineer
8. Call Service Engineer
Trouble Shooting Guide
31
Disposal of Waste Electrical and Electronic Equipment
The WEEE Regulations (Waste and Electronic Equipment Regulations 2006) have been introduced to
control how waste electrical and electronic equipment is disposed of.
The regulations aim to promote reuse, recycling and recovery.
SF25 Iss.5 July 2012
Содержание Graduate 150
Страница 1: ...Instruction Manual for Graduate 150 Scholar 175 Master 200...
Страница 3: ...Unihoist Ltd Range Graduate 150 Scholar 175 Master 200 2 SF25 Iss 5 July 2012...
Страница 4: ...Unihoist Ltd Range Graduate 150 Scholar 175 Master 200 3 Hydraulic Pump SF25 Iss 5 July 2012...
Страница 13: ...Correct way to charge the battery 12 SF25 Iss 5 July 2012...
Страница 17: ...Technical Specifications 16 SF25 Iss 5 July 2012...
Страница 20: ...Sling Chart 19 SF25 Iss 5 July 2012...