Note 1: Error decimal code numbers 1 and 2 can occur due to:
• AC part HW or SW failure,
• IG part HW or SW failure,
• bad CAN BUS wiring of both controllers inside HCU,
• electromagnetic noise inside HCU.
Note 2: Error decimal code number 2 can occur due to:
• ECU stops to send PGN0 message
• bad CAN BUS wiring of external devices (PC, DDI, etc.),
• external electromagnetic noise.
Note 3: Exact limit value depends on current HCU operating mode.
Note 4: Error decimal code number 9 shall not be apprehend as an error, if battery voltage is between 53,4 V
and 53,7 V when HCU operates in generator mode (this is usual HCU behaviour when battery is overcharged).
Note 5: Error decimal code numbers 11 and 13 can not occur due to the absence of the battery temperature
measurement. The battery temperature is fixed to 20°C in the current HCU software.