DCC external power supply failure
â–¶ How to fix
• Reset DTC • Toggle ignition key to "key off" and await system reset then "key on" i.e. system wake up. • Read out DTC's again • Check supply circuit (e.g. cables and connectors) • Replace cable harness if damaged
What you'll see
No driver-visible symptom recorded.
System reaction
• VOR, 24V not charging. DCC will be disabled and enter error state and the 24-volt system will drain the 24-volt batteries. • Yellow warning lamp "24V batteries not charged" is shown in ICL
Diagnostic depth
Detection
One of the following DCC2 events are active: InternalSupply.BPlusLowContinuous InternalSupply.VBoostLow Cpu.PowerOutReset Cpu.BrownOutReset
Possible cause
Interuption/glitches in external power supply