Tennant M17 Series, Service Information Manual

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M17 Service Information 90 17358 ( 08 - 20 16) 4- 8 3
TROUBLESHOOTING
STEP ACTION VALUE(S) YES NO
1 See
“ Fault Section"
Go to Step #2
2 • Key Off
• See “Manual Mode” section of this manual
• Activate the shaker switch in manual
mode
• Does the shaker motor turn On?
Go to Step # 6 Go to Step #3
3
• Key Off
• See “Self-Test Mode”
• Does the Self-Test display output circuits J4-11,12
as open or shorted?
Correct Open
or Short Cir-
cuit Condition
Go to Step #4
4
• Key O ff
• See “Input Display Mode”
• Does I5: Shaker On/Off input correspond with
shaker rocker switch position?
Go to Step #5 Correct Faulty
Input Condi-
tion
Terms:
J4-11,12 = Main Sweep/Lift Module
S haker Motor
• Key On
• Enable shaker switch
• Is there a pertinent fault message displayed?
• Check circuit break CB17 reset if tripped
5
• Key Off
• See TESTING S HAKER MOTOR in SERVICE section
of this manual
• Does the s haker motor pass the testing?
See TESTING
SHAKER
MOTOR
Go to Step #6 Replace S haker
Motor
6
• Key Off
• Reconnect s haker motor to main wire har ness
Go Back to
Step #1
Identify Volt-
age Drop
Location and
Repair or Re-
place Neces-
sary Compo-
nents
• Test voltage applied to side brush subsystem as
shown on the electrical schematic
• Are the electrical circuits operating as shown on the
electrical schematic?