T790 Treadmill
TROUBLESHOOTING GUIDE
4 Section 1
MECHANICAL PROBLEMS
Problem
Possible Cause
Recommended Action
Running belt slips
a. Running belt not tight enough
b. Drive belt not tight enough
a. Adjust running belt tension
b. Adjust drive belt tension
Running belt
hesitates when
stepped on
a. Insufficient lubrication
a. Apply silicone lubricant
Running belt noise
a. Running belt too tight
b. The connection part of the
running belt touch the rollers
c.
Running belt is worn off
d. Something unknown on the
front or rear roller
a. Adjust running belt or change a new one
b. Change running belt
c.
Change running belt
d. Clean the thing out
Running belt is
traveling beyond
the tracking limits
a. Running belt needs to be
re-tensioned or tracking needs
adjustment
b. Worn running belt or user
pushing belt
a. Refer to belt tensioning or tracking adjustment
procedure in operation or service manual
b. Center running belt according to belt centering
technique. See
How To… Adjust The Running Belt
Tension.
Drive belt noise
a. Drive belt doesn’t align to front
roller or motor pulley
b. Drive belt is worn
c.
Front roller and motor are not
parallel
a. Make sure the alignment of drive belt and front roller and
motor pulley
b. Check if drive belt is worn. If yes, change drive belt
c.
Make sure motor and front roller alignment parallel
Roller noise
a. Faulty roller bearings
b. Roller is damaged by outside
force
Replace roller
Motor noise
a. Motor and front roller are not
parallel
b. Motor defect
a. Make sure motor and front roller alignment parallel
b. Replace motor
OTHER PROBLEMS
Problem
Possible Cause
Recommended Action
Display reads a
continuous heart
rate
RF interference
Move machine to a different location
No chest strap
detected (if
equipped)
a. Chest strap sensors not
making good contact with
body of user.
b. User is out of monitoring
range.
c.
Loose connection at receiver.
d. Faulty chest strap.
e. Faulty receiver.
a. Adjust chest strap and moisten sensors to make better
contact with skin.
b. Move within 3 ft (1 meter) of receiver.
c.
Check connection on receiver.
d. Replace chest strap.
e. Replace receiver in the console board.
Summary of Contents for T790
Page 1: ...T790 Treadmill 1dmill Customer Support Services SERVICE MANUAL...
Page 5: ...T790 Treadmill Section 1 1 Section I SECTION I TROUBLESHOOTING GUIDE...
Page 9: ...T790 Treadmill Section 2 1 Section II SECTION II OPERATING CONSOLE...
Page 16: ...T790 Treadmill NOTES 8 Section 2...
Page 17: ...T790 Treadmill Section 2 1 Section III SECTION III HOW TO SERVICE AND REPAIR GUIDE...
Page 32: ...T790 Treadmill NOTES 16 Section 3...
Page 33: ...T790 Treadmill Section 4 1 Section IV SECTION IV ELECTRONIC OVERVIEW AND WIRING BLOCK DIAGRAM...
Page 35: ...T790 Treadmill ELECTRONIC OVERVIEW T790 CONSOLE Continued Section 4 3...
Page 37: ...T790 Treadmill ELECTRONIC OVERVIEW MOTOR CONTROLLER PCB Continued Section 4 5...
Page 38: ...T790 Treadmill ELECTRONIC OVERVIEW 6 Section 3...
Page 39: ...T790 Treadmill ELECTRONIC OVERVIEW Section 4 7 Section IV...
Page 40: ...T790 Treadmill ELECTRONIC OVERVIEW WIRING DIAGRAM CE VERSION 8 Section 3...
Page 42: ...T790 Treadmill NOTES 10 Section 3...
Page 43: ...T790 Treadmill Section 5 1 Section V SECTION V PARTS IDENTIFICATION...
Page 51: ...T790 Treadmill Section 6 1 Section VI SECTION VI MISCELLANEOUS INFORMATION...
Page 56: ...T790 Treadmill PREVENTIVE MAITENANCE TIPS 6 Section6...