Juiced CrossCurrent X and RipCurrent S: error 8 or 9, motor hall or phase fault

Your Juiced CrossCurrent X or RipCurrent S shows error 8 or error 9 on the Advanced Matrix Display, and the motor won't drive or runs rough. Both manuals list error 8 as a motor hall signal fault, where a hall sensor wire is disconnected or damaged, and error 9 as a motor phase line fault, where a phase wire is disconnected or damaged (CrossCurrent X manual, RipCurrent S manual). Both bikes use a rear hub motor (same manuals). Short answer: the motor cable or its connector is the first suspect, not the motor itself.

Most likely cause

The motor cable leaves the rear axle carrying three thick phase wires that power the motor and thin hall wires that report its position. Juiced's code descriptions point at those wires being disconnected or damaged (RipCurrent S manual). EM3ev, a motor and battery maker, explains that hub motor cables run near the axle, dropout and frame, where they get crushed, bent sharply or rubbed, and that connectors can corrode or have pins pushed back (EM3ev hall guide). A dropped bike, a wheel removal or a cable caught in the chain are typical triggers.

Other causes to rule out

• The motor itself. Juiced's troubleshooting table lists a motor issue as one cause of strange noises, with contacting support as the fix (CrossCurrent X manual).
• A short or a pushed back connector pin. EM3ev warns not to replace hall sensors on symptoms alone, because an open wire or bad pin looks the same (EM3ev hall guide).
• Low battery voltage, which shows as error 6 instead (CrossCurrent X manual).

How to confirm

1. Write down which code shows, 8 or 9. It tells a shop which wires to test.
2. Switch the battery off. Follow the motor cable from the rear axle forward. Look for flattened, cut or rubbed spots, especially at the dropout and anywhere it's tied to the frame.
3. Unplug the motor connector by its body. Check for bent or pushed back pins, dirt and corrosion. Reconnect it fully, matching the alignment marks. See inspect and clean connectors.
4. Switch on with the rear wheel lifted and try gentle throttle. If the code changes when you gently move the cable, the cable is the likely fault (EM3ev hall guide).
5. If the code stays, stop there. A hall voltage test means probing live pins with the wheel turning, which is shop work.

Fix options

Reseat the motor connector (easy)

Free. Often enough after a wheel was off or the bike fell.

Replace the motor cable or hall sensors (pro, needs soldering and electrical experience)

If the cable is damaged near the axle or a hall sensor has failed, some shops can replace the cable or sensors inside the motor. It means opening the motor and soldering, so it is pro work only. Worth it on a motor that's otherwise healthy.

Replace the rear motor wheel (moderate to pro)

If the motor itself has failed, a matching replacement is needed. Contact Juiced through its help center, which lists contact details and a service locator. Swapping a motor wheel means moving the tire, rotor and cassette or freewheel and reconnecting the plug. See fix a flat on a rear hub motor wheel for the wheel removal steps.

Parts

• Motor cable and hall sensors
• Hub motor

When to get a pro

Go to a shop if the cable is visibly damaged, if the code returns after reseating, or if the motor smells hot or grinds. More help: Juiced Bikes troubleshooting, motor cuts out and hub motor e-bike troubleshooting.

Sources

• CrossCurrent X manual, cdn.shopify.com
• RipCurrent S manual, cdn.shopify.com
• EM3ev hall guide, em3ev.com
• help center, juicedbikes.com

Stuck after these checks? Find a shop near you.