loses power - Technical Troubleshooting discussion in Forkliftaction's forums

Crown RR 5000:
loses power

lift starts up and goes through its cycle, step on peddles and pumps all activate as soon as you move, it quits and everything goes blank, have to cycle key to restart. battery level is full as unit just off charge
any troubleshooting ideas? thanks

Posted 23 Jan 2018 07:47
Modified 23 Jan 2018 07:55 by poster
Discussion started by bkw34
alberta

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Yes, check the voltage drop. Put meter on battery cables, if the battery drops below 19v (24v battery) or 29v (36v battery) when trying to lift or travel, the truck can instantly die. The K1 relay will stay on at 19v/29v, but will most likely drop out at 18.9v/28.9v. When was the last time the battery was watered?

Posted 29 Jan 2018 11:54
Modified 29 Jan 2018 11:56 by poster
Reply by Ifixit
Pennsylvania, United States

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Does it do it only when traveling or also when raising. If both check key switch and relay on dist. board voltages to see if voltage is dropping more than 4 volts when trying to do work. If only with one or the other see if you have voltage to frame when moving handle that is not there when at idle

Posted 28 Jan 2018 03:06
Reply by popeye
Ohio, United States

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double checked wiring all good, code of 832 has repeated a few times, battery has been charged.

Posted 26 Jan 2018 03:10
Reply by bkw34
alberta

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Power it up and see what service codes you have. Then I would quickly check the ED switch and wires (red button on top). Moving the multitask handle could move a broken wire off of the ED switch

Posted 23 Jan 2018 21:20
Reply by Ifixit
Pennsylvania, United States

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