M17 Service Information 90
17358
(
08
-
20
16)
4-53
TROUBLESHOOTING
Solution Control Failed to Turn ON - Main Brush (Conventional)
STEP
ACTION
VALUE(S)
YES
NO
1
•
Key On
•
Enable solution control (conventional)
•
Is there a
pertinent
fault message
displayed?
See
“
Fault Section"
Go to Step #2
2
•
Key O
ff
•
See “Manual Mode” section of this manual
•
Activate solution control in manual mode
•
Does the machine dispense water to the floor
Go to Step #6
Go to Step #3
3
•
Key O
ff
•
See “Self-Test Mode”
•
Does the Self-Test display output circuit J4-17 as
open or shorted?
Correct Open
or Short Cir-
cuit Condition
Go to Step #4
4
•
Key Off
•
Firmly press circuit breaker #6 to reset
•
Is circuit breaker #6 tripped?
Reset and Test
Solution Con-
trol Operation
Go to Step #5
5
•
Key O
ff
•
Disconnect SV3 from main wire harness
•
Apply battery voltage to SV3 using fuse-protected
jumper leads
•
Does the main brush dispense solution?
Go to Step #6
Repair or
Replace S3
6
•
Key O
ff
•
Reconnect SV3 to main wire harness
•
Key On
•
Enable solution control (conventional)
•
Test voltage applied to solution control subsystem as
shown on the electrical schematic
•
Are the electrical circuits operating as shown on the
electrical schematic?
Go Back to
Step #1
Identify Volt-
age Drop
Location and
Repair or Re-
place Neces-
sary Compo-
nents
Terms:
J4-17 = Scrub Module Connector #4, Pin #17
SV3 = Solenoid Valve #3 (Main Brush)
Содержание M17 Series
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