Life Fitness 4500HR Service Manual page 17

Life Fitness Model 4500HR Treadmill
DIAGNOSTIC TESTS (Continued)
THE INCLINE DOWN t KEY IS USED FOR THE FOLLOWING TESTING INFORMATION:
⇒ ELEVATION TEST/ HOME SWITCH
⇒ SPEED MODE OPERATION
⇒ HEARTRATE MODE OPERATION
POWER UP THE UNIT WHILE HOLDING DOWN THE INCLINE DOWN t KEY. THE DISPLAY CONSOLE WILL
READ TEST MODE. UPON INITIAL ENTRY INTO THE TEST MODE, THE LEFT COLUMN OF THE PROGRAM
PROFILE WINDOW WILL HAVE ONE TO TWO LED's LIT.
THE FIRST THREE LED's (FROM THE TOP) OF THE LEFT COLUMN ARE RELATED TO JUMPERS WHICH
ARE NOT APPLICABLE TO ANY OF THE TEST MODES.
THE FOURTH LED FROM THE TOP INDICATES THE CONDITION OF THE OPTO SPEED SENSOR. WHEN
LIT, THE OPTO SPEED SENSOR IS READING THROUGH A SLOT IN THE CHOPPER WHEEL THAT IS
MOUNTED ON THE MOTOR. WHEN THE LED IS OFF, THE OPTO SPEED SENSOR IS BEING BLOCKED BY
A SLOT ON THE CHOPPER WHEEL. NORMAL FUNCTION OF THE LED IS THAT IT FLASHES ON AND OFF
AS THE DRIVE MOTOR TURNS DURING OPERATION.
THE FIFTH LED FROM THE TOP WILL INFORM YOU IF THE UNIT IS A 120V OR A 220V UNIT. WHEN THE
LED IS OFF, THE UNIT IS 110V. WHEN THE LED IS ON, THE UNIT IS 220V.
THE SIXTH LED FROM THE TOP INDICATES THE ELEVATION (HOME SWITCH). WHEN THE LED IS OFF,
THE HOME SWITCH IS ENGAGED AND THE UNIT IS AT ZERO ELEVATION. WHEN THE LED IS LIT, THE
HOME SWITCH IS DISENGAGED AND THE UNIT IS AT A NON-ZERO ELEVATION.
THE BOTTOM LED IS THE EMERGENCY STOP SWITCH CONDITION. WHEN LED IS LIT, THE EMERGENCY
STOP SWITCH IS ENGAGED AND THE UNIT OPERATES. WHEN THE LED IS OFF, THE EMERGENCY
STOP SWITCH IS DISENGAGED AND THE UNIT WILL NOT RUN.
TO TEST THE ELEVATION:
CODE VERSION 1.7 OR LESS:
PRESS THE INCLINE UP s KEY TWICE TO SET THE DISPLAY AT 1%. THE UNIT WILL INCLINE UNTIL THE
INTERNAL UP LIMIT SWITCH IS ACTIVATED. THE UNIT WILL STOP, OR HOLD ITS' ELEVATION, AT ANY
POINT IN THE INCLINE BY PRESSING THE INCLINE DOWN t KEY AND SETTING THE DISPLAY AT 0.5%.
PRESSING THE INCLINE DOWN t KEY AND SETTING THE DISPLAY TO 0% WILL LOWER THE INCLINE
UNTIL THE INTERNAL LIMIT SWITCH IS ACTIVATED.
CODE VERSION 1.8 OR GREATER:
1. PRESS THE INCLINE UP s KEY TO ELEVATE THE TREADMILL UNTIL THE INTERNAL LIMIT SWITCH IS
ACTIVATED.
2. PRESS THE INCLINE DOWN t KEY TO LOWER THE UNIT. A BEEPING WILL OCCUR AND THE UNIT
WILL STOP WHEN THE HOME SWITCH IS ACTIVATED.
3. TO COMPLETELY LOWER THE ELEVATION, RELEASE THE INCLINE DOWN t KEY AND THEN PRESS
IT AGAIN. THE UNIT WILL CONTINUE TO LOWER ITS ELEVATION UNTIL THE INTERNAL LIMIT
SWITCH IS ENGAGED.
(Continued)
3