Upright MX19 - 3-9 Electric

Section 3 - Troubleshooting Electric
113101-000 MX15 / MX19 | Service Manual Page 3-11
3-9 E
LECTRIC
Table 3-7:
Electrical Troubleshooting Table
Component
Function Lower Controls Upper Controls Drive Forward Drive Reverse High Speed/Creep Raise Platform Lower Platform Steer Left Steer Right Depression Mechanism Extend Depression Mechanism Retract Brakes Level Alarm Down Alarm Battery Charge
ALM1 Alarm XX
BAT Batteries X X XXXXXXXXXXXX
CHG Battery Charger X
F1 5 AMP Circuit Breaker X X XXXXXXXXXXXX
F2 175 AMP Fuse X X XXXXXXXXXX
HM Hour Meter/low Voltage Indicator
I/O I/O Board X X XXXXXXXXXXXX
MC Motor Control X X XXXXXXXXXX
MOT Motor XXXXXXXXXX
R1 Motor Relay XXXXXXXXXX
S1 Chassis Emergency Stop Switch X X XXXXXXXXXXXX
S2 Chassis Lift Switch XX
S3 Chassis Key Switch X X XXXXXXXXXXXX
S4 Lift/Drive Selector Switch X XX XX
S5 Proximity Switch X
S7 Platform Emergency Stop Switch X X XXXXXXXXXXXX
S8 Interlock Switch X XXXXXXX
S9 Control Handle X XX XX
S10 Platform Steering Switch X X
SNSR Level Sensor X X XXXXXXXXXXXX
SOL1A Steering Solenoid (right) X
SOL1B Steering Solenoid (left) X
SOL2A Platform Lift Solenoid X
SOL2B Down Solenoid (Emergency Lowering) X
SOL3A Depression Mechanism Extension Solenoid X
SOL3B Depression Mechanism Retraction Solenoid (2) X
SOL4A Reverse Solenoid X
SOL4B Forward Solenoid X