05102@aspen-apumedium

Ac Cb2

electrical

Description

AC voltage is present at TB1 but not at CB2 in Diesel or Shore Power; the unit gives an alarm only and CB2 outputs will not be powered.

Activation Conditions

The unit is operating in Diesel or Shore Power and AC voltage is present at TB1, but no voltage is present at CB2.

Unit Behavior

Alarm Only. CB2 outputs will not be powered when active

Reset Conditions

Auto Reset when AC power is restored at CB2 Manual reset from alarm menu in Aspen Interface or System Status in CabinTech or by turning the unit off, then back on.

Corrective Actions

1. Check for excess load/short on Compressor/Heater 2 circuit. 2. Check continuity on ground to white neutral circuit at CCM TB1-2. 3. Replace CCM.