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MCB (motor control board) Layout
Designation
Description
Message When LED Is On
D10 MOTOR AC power is ‘on’, Motor is hooked up and relay is
energized. This LED will stay lit for a few minutes after
AC voltage is removed or relay turned off.
D12 PWM PWM command / signal is present.
D16 I-LIMIT LED should blink once when AC voltage is first applied to
Motor Controller board and should stay off at normal
operation. When I-LIMIT (Over current) condition is hit,
this LED will turn on. The MCB will shut down the drive to
the motor when over current (Fault) condition is
maintained for more than 5 seconds to protect the motor
and MOSFET. This LED will stay on until the treadmill is
reset or STOP button is hit.
D18 MTR AC AC power is ‘on’, relay is energized and rectified AC line
voltage is present.
D24 MTR ENABLE Relay is ‘on’ (i.e. energized).
D30 SPD SENSR Blinks when speed is detected. Blinking rate or ‘on’ rate
depends on the speed detected.
D31 DOWN Elevation Down command is present.
D32 UP Elevation Up command is present.
D33 +18 V Always ‘on’ when MCB supply voltage is present.
D34 V_CON Always ‘on’ when Console supply voltage is present.
D38 AC Stays ‘on’ when AC line voltage (110VAC/220VAC) is
present.
D40 MTR SHRT Turns ‘on’ when the motor is SHORTED.
TP1 Test Pin 1 Current sense feedback test-pin for troubleshooting.
TP2 Test Pin 2 Brush sense feedback test-pin for troubleshooting.
TP3 Test Pin 3 Power ground test-pin for troubleshooting.
P7 N/A Activates the relays for troubleshooting.
P8 N/A Bypasses the speed input for troubleshooting.
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