Circuit Breaker Troubleshooting - Horizon Fitness RST 5.6 Service Manual

Symptom
Machine will trip home circuit
breaker.
Machine breaker will trip.
14 | rst 5.6 & rct 7.6 service manual 2007_rev1.0
R S T5. 6 & R CT 7 . 6 S e a r s S e r v i c e M a n u a l 2 0 0 7
C ir c u i t B re a k e r Tr o u b l es h o o t i n g
Possible Cause
Inadequate power.
Inadequate lubrication on
deck and running belt.
Failed running belt.
Failed drive motor.
Failed motor control board
(MCB).
Failed circuit breaker
Test Procedure
-Check for dedicated circuit
(20 amp is ideal) and check
wall outlet voltage. (120 VAC)
Reference Power Source
Wiring Diagram. (p. 20)
-Make sure machine is not
on extension cord or surge
protector.
-Place hand underneath
running belt and feel for
adequate silicone
application.
-Feel underside of running
belt. It should have a rough
feel to it. (similar to denim or
canvas.)
-Perform AMP draw test on
motor.
Reference No Motor
Movement Voltage Check.
(p. 21)
Reference No Motor
Movement Voltage Check.
(p. 21)
Reference Power Source
Wiring Diagram. (p. 20)
Repair
If the AC voltage is missing
or incorrect, check the AC
service or consult an
electrician.
Apply Silicon lubrication.
Reference Lubrication
Procedure. (p. 27)
Replace running belt.
Replace drive motor.
Replace MCB.
Replace circuit breaker.