JLG 450A_AJ Series II Service Manual - Manual (Page 336)

SECTION 6 - JLG CONTROL SYSTEM
6-26 – JLG Lift – 3121290
6.8 SYSTEM TEST
The Control System uses a built-in system test to check system
components and functions.
Test from Platform
1. Position Platform/Ground select switch to Platform.
2. Plug analyzer into connector at base of platform control
box.
3. Pull out Emergency Stop switch and start engine.
4. Analyzer screen should read:
5. Use arrow button to reach SYSTEM TEST and press Enter.
Analyzer prompts to activate system test. Press Enter to
activate.
6. Follow flow path in Figure 6-11., System Test Flow Chart
- Platform Tests and go through component tests. Press
ESC key during any part of test to return to main menu
without completing all tests or wait until all tests are
complete. During TEST ALL INPUTS sequence, analyzer
allows control switches to be operated and shows if they
are closed (CL) or open (OP).