54 - FORM NO. 56043093 / Captor
™
4300, 4800, 5400
RECOVERY SYSTEM
TROUBLESHOOTING GUIDE
Possible Symptom
1 Vacuum motor will not operate
Part A1: Electrical
Note: Do all testing with the key switch ON, recovery tank empty and the hopper closed. Squeegee switch must be activated on the display
panel and the foot pedal moved into forward or reverse.
Vacuum motor
wil l not operate
Press the squeegee switch, is
its green A2 indicator light on?
On the A2 board is the
recovery tank full light on?
Locate the indicator switch
plug and jump out the
machine harness wires
GRY/YEL and BLK.
Does the light go off?
Repair machine harness
wires to A1 board
(GRN/YEL & BLK)
Does the light go off?
Press the squeegee button
along with moving the foot
pedal. On the A1 board, is the
(S8) vacuum relay light on?
Yes
Yes
No
No
No
Replace the recovery
tank full switch.
Does vacuum operate?
Yes
Replace A1 control
board does the vacuum
motor operate?
Continued on next page
Yes
No
No
No
No
Sub. a new A2 display panel
Does vacuum operate?
No
No
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