Troubleshooting Tables; Ii. Troubleshooting Tables - Bowflex TC1000 Service Manual

II. Troubleshooting Tables

Table 1 – Electrical Troubleshooting
Problem
1.1 The machine appears to
be off when plugged in
and switched "on".
1.2 Upper control panel
(Item 2) lights are dim.
1.3 Upper board (Item 2)
accepts commands but
rotational resistance
does not change.
1.4 LED's on upper board
(Item 2) blinking off/on,
then go dead.
1.5 Heart rate displays zero
(0) in window
1.6 Unit keeps blowing
fuses.
3
Possible Reasons
Faulty power supply
board (Item 23).
Faulty fuse.
Loose cable connection.
Power supply board
(Item 23) is faulty.
Dip switch setting is
incorrect.
Power supply board
(Item 23) is faulty.
Ribbon cable (Item 5)
connections are loose.
Faulty power supply
board (Item 23).
Display board (Item 2) is
faulty.
Chest strap and trans-
mitter improperly worn.
Loose sensor lead
connection at display
board (Item 2).
Faulty receiver.
Too many units are
daisy-chained together.
Faulty power supply
board (Item 23).
Solutions
If buttons on the control display
beep when pressed, replace power
supply board. See Procedure 1.
Otherwise, check power supply
board. See Procedure 2.
Check and replace fuse if needed.
(See Fig. 3)
Check wire connections at power
supply and display boards.
Replace power supply board. See
Procedure 1.
Set dip switch to 01.
Check and replace power supply
board as needed. See Procedure 2.
Check and replace accordingly.
Unplug and re-plug machine to
reset.
Check and replace power supply
board as needed. See Procedure 2.
Replace display board.
Verify that they are being properly
worn.
Check and adjust as needed.
If there is no audible signal, replace
receiver.
Do not daisy chain more than 3
units together.
Check and replace power supply
board as needed. See Procedure 2.