Precor Precision 400 Series Service Manual page 114

Procedure
1. If the lift motor operates but creates a lift error (error 40 or 42) go to
Connection. If the lift motor will not move continue.
2. Set the treadmill's circuit breaker in the "OFF" position and remove the AC line cord
from the AC outlet.
3. Remove the F2 (Lift AC) fuse from the lower
resistance of the F2 fuse. The fuse should measure approximately 0.1 W or less. If
the fuse is open or high resistance, replace the fuse.
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4. Insert the treadmill's line in the AC outlet and set the circuit breaker in the "ON" pos-
ition. Set the treadmill in the manual program and press the LIFT ▲ key. If the lift
motor operates normally, test treadmill operation. If the lift motor still does not oper-
ate, retest the lift fuse. If the fuse is open again, go to
good continue.
1
Printed circuit assembly, generally referred to as either an upper PCA or lower PCA.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
System Troubleshooting Procedures
1
PCA . Using an ohmmeter, check the
Replace Fuse. If the fuse is
7 Troubleshooting
Inspect Lift Motor
Page 107