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MCB LED-AIDED TROUBLESHOOTING CHART
NO.
PROBLEM/RESULT CORRECTIVE ACTION
1
No operation of MCB or PCB
Verify connections, power switch, circuit
breaker and fuse
2
No operation of MCB or PCB Check fuse F1
3
PCB will not power up Replace MCB
4
PCB will power up but the MCB
will not operate
Verify adequate line voltage. If line voltage is
adequate, MCB is damaged and needs to be
returned to manufacturer.
Verify connections to motor and the motor
itself. If the motor and its connections are
good, the MCB should be replace. Return
MCB to manufacture with information on
location. Power level, how it was used when
failure occurred etc.
5
Will not operate the motor
The motor can be verified by disconnection
the motor; connecting a volt-ohm meter(set to
VCD) to the motor leads; and spinning the
tread and observing a voltage. If no voltage,
Bad motor.
6
Will not operate the motor
A 5-second current limit time-
out has occurred.
Resets console or cycle power to correct.
Check treadmill for excessive wear or
mechanical defects. If problem persists, return
MCB.
7
MCB in current limit mode
The MCB
is experiencing a discontinuous over
current events. Check for mechanical wear
and/or defective motor. If on mechanical wear
and motor good, replace MCB and return
defective MCB to manufacturer.
8
Will not operate the motor
Check and verify the J2 and J3 cables are
good, replace the PCB. If the problem
persists, replace the MCB.
9
Incline does not move
Verify connections to the J3 & incline motor. If
the connections look good, check F2.
10
Incline does not move
Verify connections to the J3 & incline motor. If
the connections look good, check F2.
4-5