STATUS
CODE
DISPLAY MESSAGE RECOVERY METHOD CIRCUIT
21570
(cont)
21570 Re-key only RH Traction
Node 3
DESCRIPTION BEHAVIOR
Contactor detected as stuck closed - (RH Node 3) Parking brake dropped, all functions disabled.
Probable Causes and Test Procedures
5. Check for external High Current Line short across contactor.
a. Measure resistance across the B+ terminals on contactor, are they > 10k Ohms?
YES- No contact short, problem may be controller, contact Service Engineering.
NO- Clean any dirt, dust, or residue from contactor, retest.
6. Check all high current wiring, and ensure NEG and POS wires are routed correctly.
2200 YRM 1415 Troubleshooting
87
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