Turns on and shuts off as soon as key returns - Technical Troubleshooting discussion in Forkliftaction's forums

Yale OSO30ECN24/ S#C801N06612E:
Turns on and shuts off as soon as key returns

os030ecn24te089
Turning the key in start (spring return) position makes relay to click, safety blinker turns on and if keep pressure on the key to hold in start position you can see battery charge etc. but lift doesn't move or honk. releasing the key effectively turns whole thing off.
Any idea what it can be?
Or where I can get a wiring diagram/repair manual?

Posted 28 Apr 2024 07:03
Discussion started by Alex_K
Florida, United States

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Fishmech, any idea where I can find a wiring diagram?

Posted 1 May 2024 00:20
Reply by Alex_K
Florida, United States

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Alex,

Failed switch or wiring. Need to check mast prox switch inside battery compartment. Make sure all wiring is still in tact. Also, the foot switch could have failed. Make sure the brake release switch is spring loaded. Failed springs allow the switch to constantly make contact. You also have a prox switch for the steer motor. Make sure all the wiring and sensor is still in good condition. Some lifts have safety arms that must be in the down position for the lift to start. Could also be other issues with electrical or fuses. Good Luck.

Posted 29 Apr 2024 22:39
Reply by Fishmech
Virginia, United States

The hard to do we do right away. The impossible just takes a little longer.

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