BATTERY HOT

The BATTERY HOT warning message shows on the PFD when the battery voltage is supplied to the helicopter and the battery is at ambient temperature.

Preliminary requirements

Safety conditions

OBEY ALL THE SAFETY PRECAUTIONS WHEN YOU DO MAINTENANCE ON OR NEAR ELECTRICAL/ELECTRONIC EQUIPMENT. IF YOU DO NOT OBEY THESE PRECAUTIONS, INJURY TO PERSONNEL AND/OR DAMAGE TO EQUIPMENT CAN OCCUR (BHT-ELEC-SPM, CHAPTER 2).

DISCONNECT THE BATTERY AND/OR THE EXTERNAL POWER BEFORE DOING A CONTINUITY CHECK OR MAINTENANCE ON THE SYSTEM.

Make sure to do an isolation check when you do a continuity check.

Support equipment

Name

Multimeter

Identification/References

Model 77

Required Conditions

1. Make sure that the circuit breakers that follow are closed:

• PFD

• MFD

• FANS

• GIA SYS

• GEA

1. Set the BATT switch to the BATT position on the miscellaneous control panel.

Fault Isolation Procedure

BATTERY HOT