Load Resistance Varies During Operation, Continued; Unable To Change Audio Level; No Audio To Headphones; Unable To Receive Stations When Using Cable - Life Fitness 95L Service Manual

TROUBLESHOOTING
Symptom
Load resistance varies during
operation

Unable to change audio level

No audio to headphones

Unable to receive any stations
when using cable
"Snowy" TV picture
Probable Causes
Faulty alternator control board
Faulty display console
Faulty keypad
Faulty interface board
Faulty headphone
Faulty headphone jack
Faulty headphone jack cable
Faulty computer board
Faulty interface board
Air/cable setting may be
incorrect
Faulty coaxial cable
Incorrect air/cable setting
Faulty coaxial cable
Models 95L, 95LWEZ, and 95LE Summit Trainers
Corrective Actions
Verify connections between
display console and alternator
control board. Substitute a
working alternator control
board. Replace alternator
control board.
Verify voltages at display
console connections. Substitute
a working display console.
Replace display console.
Perform keypad diagnostic.
Replace Interface board.
User's headphone assembly
may be defective.
Replace headphone jack
assembly.
Replace headphone cable
assembly.
Replace computer board.
Replace Interface board.
Refer to TV configuration.
Replace coaxial cable.
Refer to TV configuration.
Replace coaxial cable.
Troubleshooting
23