DIRER_a202 — Excess Heat Unavailable

Full alert identifier: DIRER_a202_excessHeatUnavailable

Alert description

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that prevents the drive unit(s) from generating excess heat.

Potential impact

The drive unit(s) cannot produce excess heat when requested.

Set condition

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that prevents the drive unit(s) from generating excess heat. Alert log signal data provides information on the specific condition(s) detected.

Clear condition

The DI ECU detects that the condition clears.

Signals to check

These diagnostic fields are associated with DIRER_a202. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Movement `DIRER_a202_movement`	m
Reason `DIRER_a202_reason`	—
Sys State Exit Condition `DIRER_a202_sysStateExitCondition`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIRER_a202.