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A4 FF VALVES
Condition for error detection
Problem in the 5th way hardware circuit.
Check:
• Wiring harness continuity
• Presence of false contacts on connectors on the MHYRIO and solenoid valve sides
• State of coils EV9 and EV10
• Replace the logic unit.
Reference wiring diagram page 4/7 (chapter 17, section WIRING DIAGRAMS)
A5 UNUSED
A6 EVPG1 DRIV SHORT
Condition for error detection
It is referred to the lifting valves EV2 and EVP1.
Check:
• Wiring harness continuity
• Presence of false contacts on connectors on the MHYRIO and solenoid valve sides
• State of coil EV2 (standard 27 ohm) and EVP1 (standard 18 ohm)
• Replace the logic unit.
Reference wiring diagram page 4/7 (chapter 17, section WIRING DIAGRAMS)
https://www.forkliftpdfmanuals.com/
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