E0294-04-Ccm3 8V Ref Voltage Shorted To Low Source (A.50.A.91.83 - G.30.B.53) - New Holland CX720 Repair Manual

E0294-04-CCM3 8V Ref Voltage Shorted to Low Source (A.50.A.91.83
- G.30.B.53)
E0294-04 - CCM3 8V Ref Voltage Shorted to Low Source
Cause:
The CCM3 8V Ref Voltage circuit is shorted to ground.
Possible failure modes:
1. Controller internal failure (internal regulator failure).
Solution:
1. Enter InfoView monitor - "Diagnose info" screen.
Select "CCM3" sub menu.
Select "CCM3 8V Ref Voltage" and check voltage range.
The proper voltage is 7.5 - 8.5 volts.
A. If the voltage reading is low out of range then CCM3 has an internal failure. Replace the controller.
B. If the voltage reading is within proper limits. The failure may not be present at this time. Continue diagnosis
with step 2.
NOTE: Visually inspect the wiring harness and connectors. Verify that the connector was fully installed. Inspect
the terminals and wires at the connector for pushed back or corroded terminals or damaged wires. Flex the
harnesses involved to reveal intermittent breaks or shorts in the wiring concerned.
2. Operate the machine while monitoring Infoview™ monitor.
A. If no low out of range readings are indicated, erase the fault code and continue operation.
DISTRIBUTION SYSTEMS - ELECTRONIC SYSTEM
A.50.A / 117
2 4/7/2006