SCIFIT PRO1000 Sport, Руководство по обслуживанию, Страница: 4 / 19

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II. Troubleshooting Tables
Table 1 – Electrical Troubleshooting
Problem Possible Reasons Solutions
1.1 The machine appears to
be off when plugged in
and switched “on”.
Faulty power supply
board (Item 87).
Faulty fuse.
Loose cable connection.
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. 4)
Check wire connections at power
supply and display boards.
1.2 Upper control panel
(Item 2) lights are dim.
Power supply board
(Item 87) is faulty. Replace power supply board. See
Procedure 1.
1.3 Upper board (Item 2)
accepts commands but
rotational resistance
does not change.
Dip switch setting is
incorrect.
Power supply board
(Item 87) is faulty.
Set dip switch to 01.
Check and replace power supply
board as needed. See Procedure 2.
1.4 LED’s on upper board
(Item 2) blinking off/on,
then go dead.
Ribbon cable (Item 6)
connections are loose.
Faulty power supply
board (Item 87).
Display board (Item 2) is
faulty. 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.
1.5 Heart rate displays zero
(0) in window
Chest strap and
transmitter improperly
worn.
Loose sensor lead
connection at display
board (Item 2).
Faulty receiver. Verify that they are being properly
worn.
Check and adjust as needed.
If there is no audible signal, replace
receiver.
1.6 Unit keeps blowing
fuses.
Too many units are
daisy-chained together.
Faulty power supply
board (Item 87). Do not daisy-chain more than 3
units together.
Check and replace power supply
board as needed. See Procedure 2.