Manitowoc 14000 Service Maintenance Manual

Reference Only
Manitowoc Published 09-05-14, Control # 226-02 3-7
14000 SERVICE MANUAL ELECTRIC SYSTEM
3
Checking Electrical Inputs/Outputs Using
the Test Board
Troubleshoot components on the main display, system
diagnostic screen first. Perform additional testing with the
Electrical Test Kit at universal nodes or Manitowoc Unit
Tester at all nodes. The Electrical Test Kit or Manitowoc Unit
Tester can be ordered from your Manitowoc dealer.
The breakout test kit provides a breakout of the node signals
to easily probed terminal connections. Each node connector
(2) Figure 3-4
, page 3-7 is keyed uniquely and requires a
matching keyed test board assembly (3) from the Electrical
Tes t K it .
The output terminals of the electrical test board assembly (3)
are labeled A through V, corresponding to node connector
(2) pin numbers.
I/O node and pin numbers are contained in the Test Volt
tables under Test Voltages Tables
on page 3-8.
To probe a fault at a universal node with the Electrical Test
Kit:
1. Shutdown the engine and turn the engine key switch to
off.
2. Determine which signal contains the suspected fault.
3. Disconnect the node cable (1) from the node connector
(2) containing the signal of the suspected fault.
4. Connect the electrical test board assembly (3) between
the node connector (2) and disconnected node cable
(1).
5. Turn the engine key switch to on and activate the
suspected fault.
6. Use a multimeter (4) and needle test probes (5) to probe
signals at the test board assembly (3) as needed in
conjunction with toggling node outputs.
M100824
FIGURE 3-4 TEST BOARD SETUP
Item Description
1 Node Cable
2 Node Connector
3 Test Board Assembly
4Multimeter
5 Needle Test Probes

Manitowoc 14000 Specifications

General

Brand	Manitowoc
Model	14000
Category	Construction Equipment
Language	English