BEA-Trip (Ballast resistor current detection error)

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This fault indicates that the optocoupler responsible for detecting current flow through the ballast resistor is signaling no current, even when expected (KPS-600). This suggests a fault in the ballast resistor, its associated circuitry, or the optocoupler itself, preventing proper regenerative energy dissipation.

• BEA-Trip: Ballast resistor current detection error (P1-24).
• Fault in the ballast resistor monitoring circuit.
• Ballast resistor disconnected or short-circuited.
• Internal drive fault related to energy dissipation.

Klikk på steg for å spore fremgangen.

1. 1

   Measure the resistance of the ballast resistor to ensure it is not open-circuited.

2. 2

   Verify that voltage is present across the ballast resistor terminals when regenerative braking is expected.

3. 3

   Inspect the optocoupler circuit board for power supply and signal integrity, if accessible.