20 Most Recent Precor Efx 5.17 Questions & Answers


Precor Error 54, Target Pulses Lost During Operation Probable Cause 1. Blown F2 fuse.
2. Gear motor wiring is damaged or has intermittent connection.
3. Gear motor is bad.
4. Gear motor target is damaged.
5. Lower PCA is bad.
Corrective Action
  1. Disconnect power from the unit. Remove the F2 fuse from the lower PCA. Using an ohm meter, measure the fuse for 1 ohm or less. If the reading is considerably high, replace the fuse. If the fuse is blown, inspect further for the cause to avoid the fuse blowing again. Inspect for damaged gear motor wiring or a bad gear motor. Replace if necessary.
  2. Thoroughly inspect the gear motor wiring for damage or intermittent connections. Repair or replace damaged wiring or poor connections as necessary.
  3. With unit disconnected from power, disconnect both wires from the gear motor. Using an ohm meter, check for approximately 9 ohms through the gear motor wiring. If the reading is considerably high or low, replace the gear motor.
  4. Inspect the gear motor target for rips, tears, or bad scratches. If any of these are found, replace the target.
  5. During the start up sequence, check the voltage at the gear motor. Voltage should be approximately 12VDC. The voltage should only be present between the time the sequence was started and the error 53 occurred. If the voltage is considerably low or absent and the F2 fuse proved good, replace the lower PCA.
Precor Error Code 54

Precor Efx 5.17 | Answered on Aug 06, 2014


please follow this steps:
Step 1

Remove the bolts or screws securing the console to the upright assembly. Lift the console and confirm that the cable connections are secure. Remove the cover from the console's battery bay and install a fresh set of batteries. Replace the battery cover.
Step 2

Detach the ends of the pedals from the crank axles. Remove the left and right disc shields and side shields. Inspect the interior of the base unit and locate the flywheel.
Step 3

Inspect the flywheel as it turns. Locate the magnet installed on the flywheel. Turn the flywheel until the magnet passes in front of the nearby reed switch. Loosen the screw securing the switch in place. Rotate the switch to reduce the gap between it and the magnet. Tighten the screw.

God bless you


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Precor Efx 5.17 | Answered on Mar 18, 2013


Are you sure the PSU is functioning? Check it with a multimeter set for DC Voltage. Compare what it is putting out to what the factory specs are.

Precor Exercise... | Answered on Mar 23, 2019

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