Life Fitness 5500 HR User Manual

Life Fitness Model 5500HR Treadmill

How To... REMOVE AND REPLACE THE HEATSINK CONTROL BOARD

Tools Required: Phillips screwdriver

WARNING: FAILURE TO OBSERVE SAFETY PROCEDURES WHEN SERVICING

THIS UNIT COULD RESULT IN INJURY FROM ELECTRICAL SHOCK

Step 1
Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet.

Step 2

Remove MOTOR COVER, “See How To ...”.

Step 3

Ground yourself to the machine by positioning an ANTI-STATIC GROUNDING STRAP around your wrist and attaching
the end to a MOUNTING SCREW, or a connecting GROUND WIRE SCREW.

NOTE: TAKE A MOMENT TO NOTE THE LOCATIONS OF THE CONNECTORS PRIOR TO

UNPLUGGING THEM FROM THE CONTROL BOARD.

Step 4

Unplug the eight CONNECTORS from the HEATSINK
CONTROL BOARD.

Step 5

Remove the CAPACITOR CAP.

NOTE THE POLARITY OF THE WIRES ON
CAPACITOR - POSITIVE (+) RED

NEGATIVE (-) BLACK

Step 6

Using a Phillips screwdriver, remove the two
SCREWS securing the wires to the top of the
CAPACITOR from the HEATSINK CONTROL
BOARD.

Step 7

Using a Phillips screwdriver, loosen and remove
the two SCREWS securing the HEATSINK
CONTROL BOARD to the MOTOR PAN.

Step 8

Carefully lift the malfunctioning HEATSINK
CONTROL BOARD from the machine and set
aside.

Step 9

Place the new HEATSINK CONTROL BOARD into
position and reverse steps 1 through 8 to return all
parts to their proper locations.

Continued