00236@aspen-apulow

NVD Checksum

system

Description

The control system cannot write information to memory; the unit gives an alarm only.

Activation Conditions

There is an error in the ability to write information to be stored in the control system memory.

Unit Behavior

Alarm only

Reset Conditions

Alarm may be manually reset using the display mounted keys or by turning the unit off and then back on again.

Corrective Actions

1. Check Control System a. Check setpoint. Must be between 65° and 85°F (18° and 29°C). b. Enter new setpoint. Must be between 65 c. ° and 85°F (18° and 29°C). 2. Reset Microprocessor a. Turn APU OFF from the Aspen Interface. Disconnect negative battery cable, wait 20 seconds and reinstall. Then turn the APU back ON. b. If this alarm remains active, download data, and replace the Climate Control Module.