TROUBLESHOOTING

SPEED CONTROL SYSTEM TROUBLE-SHOOTING cont.

 

 

,

£._.BBE.C_T_IQN

9. Console

On But Won't Start.

. Volts From M1 to M2.

t. a.) Replace Motor

Set Speed To 6.0 MPH To

_:/Voltag eOK

lb.) Check Interface Board P2 - N

Diagnos

Cause.

Voltage Bad

 

2.P2 - N Voltage Between 0.6

and 13.0.

2. b)a?CheckReplacep1M°t°rtoN Controller

_:}Good

 

Bad

 

3. P1 To N Voltage 13.6.

a.) Replace Interface Board.

_:IGood

b.) Replace Motor Controller.

 

Bad

 

CONSOLE

POWER SWITCH

]

NO ¢_t_CTl(_l

FAST TRAC DISPLAY

(OP'ftONaL "f_])-'_

FITNESS COMPUTER

 

CIRCUIT

BREAKERINTERFACE

BOARD

(TLP2)

_. 16 AVG BROWN

IPLUG

SPEED CONTROL SYSTEM WIRING DIAGRAM

FIGURE 6

12

Page 12
Image 12
Sears 374.288450, 21-7119 Speed Control System TROUBLE-SHOOTING, Set Speed To 6.0 MPH To, Bad, Replace Interface Board