Alarm ID
Alarm Name
Alarm
Severity
Possible Cause
Solution
A001-01
Return air 1
temperature sensor
fault
Supply air 1
temperature sensor
fault
Supply air 2
temperature sensor
fault
Exhaust air 1
temperature sensor
fault
Exhaust air 2
temperature sensor
fault
Outdoor intake air 2
temp sensor fault
Heat exchanger core
supply air 1
temperature sensor
fault
Heat exchanger core
supply air 2
temperature sensor
fault
Heat exchanger core
exhaust air 1
temperature sensor
fault
Heat exchanger core
exhaust air 2
temperature sensor
fault
L1 precooling module
exhaust air 1 temp
sensor fault
L1 precooling module
exhaust air 2 temp
sensor fault
L2 precooling module
intake air 1 temp
sensor fault
L2 precooling module
intake air 2 temp
sensor fault
Major
● The cables to the
temperature sensor
are loose or
damaged.
● The temperature
sensor is faulty.
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
8 System Maintenance
Issue 02 (2021-04-15)
Copyright © Huawei Technologies Co., Ltd.
146