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SS300 Service Information (3-2017)
TROUBLESHOOTING
PROPEL SUBSYSTEM (Option)
E-Stop Switch
MTR
I-Drive Propel Module
(2) 12 VDC Batteries
B+
P1-5 ON/OFF
Propel Enable
(B+ from J9-1 = ON)
B-
M1
M2
GND_REF P1-13
REVERSE P1-12
8/GRY
38/GRY
9/WHT
10/TAN
37/PUR
36/BLU
13/BLK
1/RED
CB4
30A
+
-
+
-
12 Volt
12 Volt
Directional Switch
(closed = reverse)
Propel
Motor
Battery Po
Battery Negative -
PMC021
POT_LOW P1-8
SPD_LIMIT P1-9
35/GRN
34/YEL
POT HIGH P1-2
33/ORA
100K Ω Propel
Speed Limit Pot
Scrub Head
Pos. Switch
P1-4 LOW SPEED
P3-4 RX
P3-3 TX
P1-1
BAIL ON/OFF
P3-1 DIGITAL_GND
COMMUNICATION CABLE
TO INTERFACE MODULE
(SHIELDED)
Enable Scrub Speed
(Ground = Low Speed)
27/PUR
BLACK
RED
NATURAL
SHIELD/GRN
Propel
(Option)
Enabled
• Fwd/Rev Throttle
Command
• Fwd/Rev Switch
Input
Disabled
Operational Matrix:
• Battery Charger ON Interlock
• Neutral - Ready State
• PMC (Propel Motor
Controller) Fault