Platform Module - Power; Power Module - Power - JLG T350 Troubleshooting Manual

SECTION 3 - COMPONENT CHECKS

3.13 PLATFORM MODULE - POWER

Step Pretest Instructions
3.13.1 Pull the ground and platform
emergency stop switches and
place key switch in the plat-
form position
3.13.2 Pull the ground and platform
emergency stop switches and
place key switch in the plat-
form position
3.13.3 Pull the ground and platform
emergency stop switches and
place key switch in the plat-
form position
3.13.4 Pull the ground and platform
emergency stop switches and
place key switch in the plat-
form position
3.13.5 Pull the ground and platform
emergency stop switches and
place key switch in the plat-
form position
3.13.6 Pull the ground and platform
emergency stop switches and
place key switch in the plat-
form position
3.13.7 Pull the ground and platform
emergency stop switches and
place key switch in the plat-
form position

3.14 POWER MODULE - POWER

Step Pretest Instructions
3.14.1 Pull the ground emergency
stop switch and place key
switch in ground position
3.14.2 Pull the ground emergency
stop switch and place key
switch in ground position
3.14.3
3-126
Test
Voltage between X060.1 and Yes
X060.2 = Vbatt?
No
Voltage between X059.D and Yes
X059.H = Vbatt?
No
Voltage between X008.4 and Yes
X008.3 = Vbatt?
No
Voltage on X008.2 = Vbatt? Yes
No
Voltage between X019.4 and Yes
X019.8= Vbatt?
No
Voltage between X055.4 and Yes
X055.8= Vbatt?
No
Voltage between X057.D and Yes
X057.H = Vbatt?
No
Test
Is the power module fault Yes
LED flashing?
No
Is the power module LED il- Yes
luminated?
No
Measured voltage between Yes
X102 (B+) and X101 (B-) =
No
Vbatt?
T350 T500J
Result Corrective Action
Possible Causes: 4.1.11
Go to step 3.13.2
Repair Platform wiring between X059
and X060
Go to step 3.13.3
Go to step 3.13.5
Go to step 3.13.4
Possible Causes: 4.1.10
See 3.9 Ignition Relay - Power
Go to step 3.13.6
Repair power Yel/Red 2-11 or Black
wire between X019 and X008
Go to step 3.13.7
Repair power wires between X055
and X019
Repair Blue or Red/Blk power wires
between X059 and X057
Repair Blue or Red/Blk power wires
between X057 and X055
Result Corrective Action
See A.8 Power Module Flash Codes
Go to step 3.14.2
Possible Causes: 4.1.72, 4.1.12
Go to step 3.14.3
Possible Causes: 4.1.12
See 3.2 DC Powered Machine -
Power
3121203