128
SJ82 T, SJ86 T
229040ABA
Section 4 – Troubleshooting Information
Electrical System
4.
Loose or broken pin jumper between #04
and #04A on platform terminal block (without
generator option only).
Check continuity. Replace if defective.
5.
Loose or broken wire #04 from platform terminal
block to generator switch S22 (generator option
only).
Check continuity. Replace if defective.
6.
Generator switch S22 in generator mode or is
open or defective (generator option only).
Select OFF mode on generator switch. Check
continuity through switch from #04 to #04A.
Replace if defective
7.
Loose or broken wire #04A from generator
switch S22 to platform terminal block (generator
option only).
Check continuity. Replace if defective.
8.
Loose or broken wire #04A from platform
terminal block to footswitch S11.
Check continuity. Replace if defective.
9.
Open or defective footswitch S11.
Check continuity through switch while activating
footswitch function between wires #04A and #08A.
If no continuity found replace switch.
10.
Loose or broken wire #08A from footswitch S11
to valve driver pin #16.
Check continuity. Replace if defective.
11.
Loose or broken wire #04 from platform terminal
block to valve driver pin #1, 2 & 13.
Check continuity. Replace if defective.
12.
Loose or broken wire #02 from platform terminal
block to valve driver pin #26.
Check continuity. Replace if defective.
13.
No output on pin #6 of the valve driver to wire
#08.
Check pin #6 for 12 volts. If no voltage present with
foot on footswitch check section 5 for OCM pin
voltage reference.
14.
Loose or broken wire #08 from valve driver pin
#6 to relay 08CR1.
Check continuity. Replace if defective.
15.
Loose or broken wire #02 from platform terminal
block to relay 08CR1.
Check continuity. Replace if defective.
16.
Loose or broken wire #20D from platform
terminal block to relay 08CR1.
Check continuity. Replace if defective.
17.
Loose or broken wire #20 from 08CR1 relay to
plug A pin #8 in platform control console.
Check continuity. Replace if defective.
18.
Defective relay 08CR1.
Check relay. Replace if defective.
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