M17 Service Information 90
17358
(
08
-
20
16)
4-
71
TROUBLESHOOTING
STEP
ACTION
VALUE(S)
YES
NO
1
•
Key On
•
Enable hopper switch to lower.
•
Is there a
pertinent
fault message
displayed?
See
“
Fault Section"
Go to Step #2
2
•
Key Off
•
Activate the Hopper Switch
•
Does the hopper lower?
Go to Step #3
3
•
Key Off
•
See “Self-Test Mode”
•
Does the Self-Test display output circuits J5-2
J5-3 as open or shorted?
Correct Open
or Short Cir-
cuit Condition
Go to Step #4
4
•
Key O
ff
•
See “Input Display Mode”
•
Does I12: Hopper On/Off input correspond with
hopper rocker switch position?
Go to Step #5
Correct Faulty
Input Condi-
tion
5
Terms:
J5-2,3 = Main Sweep/Lift Module
Hopper Lift Pump, Down
See “Manual Mode” section of this manual
•
Go to Step #
6
•
•
•
Key O
ff
See TESTING HOPPER LIFT PUMP in the SERVICE
section of this manual
Does the hopper lift pump pass the testing?
See TESTING
HOPPER LIFT
PUMP
Go to Step #6
Replace pump
6
•
Key O
ff
•
Reconnect hopper lift pump to main wire harness
•
Test voltage applied to pump system 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
Содержание M17 Series
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