14
6.1.2.10 Check Fuse Indicator
The indicator lights when the surge protector on the main electronic
panel is blown by a power surge.
6.1.2.11 Voltage Failure Indicator
The indicator lights when the incoming line voltage is above or below
the voltage regulator working range.
6.1.2.12 Alarm Battery Low Indicator
The indicator lights when the charge on the alarm battery is low.
The following indicators are available only when the freezer is equipped with the
optional backup system.
6.1.2.13 Backup System Supply On Indicator
The indicator lights when the backup system is operating.
6.1.2.14 Backup System Empty Indicator
The indicator lights when the standby CO
2
or LN
2
bottle is empty.
6.1.2.15 Backup System Battery Low Indicator
The indicator lights when the backup system battery charge is low.