A detailed Service Manual with specific testing and repair procedures is available on request from the manufacturer.
| Issue | Possible Cause | Action |
|---|---|---|
| Nothing happens when the Raise button is pressed | Flat Battery | Recharge the battery |
| Faulty switch or wiring | Check and repair; request service if necessary | |
| Faulty raise relay | The relay contactor should 'click' when Raise button is pressed. If not, check and repair; request service if necessary | |
| The motor runs but arms do not lift | Crates too heavy | Reduce the number or weight of the crates |
| The arms do not come down | Arm frame sticking in the mast | Spray inside the mast with silicone or other lubricant |
| Lift ram jamming | Contact manufacturer or agent to arrange repair | |
| Faulty switch, wiring, or lowering valve | The lowering valve should click when the button is pressed. If not, check the switch, wiring and electro-magnetic coil; request service if necessary | |
| The arms come down too slowly | Flow control incorrectly adjusted | Adjust as necessary |
| Arm frame jams part-way down | Mast bent or damaged | Check and repair; request service if necessary |
| The arms do not open or close | Faulty switch or wiring | Check and repair; request service if necessary |
| Faulty actuator | Check and repair; request service if necessary |