Huawei NetCol8000-A013 User Manual page 108

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
Alarm Alarm Name
ID
717 Group Unit Qty
Mismatch Alarm
718 Teamwork
Network Fail
Alarm
719 InUnit EEPROM
Alarm
720 InUnit Flash
Alarm
721 InUnit Clock
Abnormal Alarm
722 Smoke Sensor
Power Alarm
723 Evaporator Coils
Temp Invalid
Issue 02 (2020-11-09)
System Possible Causes
Action
-- 1. One slave unit in
2. The teamwork
3. The number of units
-- 1. The teamwork
2. The teamwork
3. The master unit and
-- The E square of the
main control board of
the indoor unit is
faulty.
The The flash memory of
compressor the main control board
shuts down. of the indoor unit is
faulty.
-- The clock circuit of the
main control board of
the indoor unit is
faulty.
-- The voltage of the
smoke sensor circuit of
the main control board
of the indoor unit
exceeds the preset
threshold.
-- 1. The temperature
2. The temperature
Copyright © Huawei Technologies Co., Ltd.
5 System Operation and Maintenance
the teamwork group
powers off.
connection fails.
is incorrectly set for
the teamwork
master unit.
master unit powers
off.
connection fails.
a slave unit have
the same address.
sensor cable is not
properly connected.
sensor is faulty.
Solution
1. Check the slave unit
that has powered
off and power it on.
2. Check and re-detect
the teamwork
connection.
3. Check the number
of units and set it
correctly.
1. Check the master
unit that has
powered off and
power it on.
2. Check and re-detect
the teamwork
connection.
3. Check and set the
correct address.
Replace the main
control board of the
indoor unit.
Replace the main
control board of the
indoor unit.
Replace the main
control board of the
indoor unit.
Replace the main
control board of the
indoor unit.
1. Check the cable
connection to the
temperature sensor.
2. Maintain or replace
the temperature
sensor.
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