Huawei NetCol8000-A013 User Manual page 112

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
ID Alarm
716 Power Underfreq
Alarm
717 Group Unit Qty
Mismatch Alarm
718 Teamwork
Network Fail
Alarm
719 InUnit EEPROM
Alarm
Issue 06 (2022-11-25)
System Causes
Action
The system 1. The power supply
shuts down all
components.
2. The power supply
3. The transformer 2 is
4. The indoor unit
5. The outdoor unit
-- 1. One slave unit in
2. The teamwork
3. The number of units
-- 1. The master unit is
2. The teamwork
3. The master unit and
-- The EEUROM of the
main control board of
the indoor unit is
faulty.
Copyright © Huawei Technologies Co., Ltd.
5 System Operation and Maintenance
frequency of the
indoor unit is too
low.
frequency of the
outdoor unit is too
low.
faulty.
main control board
is faulty.
main control board
is faulty.
the teamwork group
powers off.
connection fails.
is incorrectly set for
the master unit in
the teamwork
group.
powered off.
connection fails.
a slave unit have
the same address.
Solution
1. Spot-check the
power supply
frequency of the
indoor unit and
increase the power
supply frequency of
the indoor unit.
2. Spot-check the
power supply
frequency of the
outdoor unit and
increase the power
supply frequency of
the outdoor unit.
3. Replace the
transformer 2.
4. Replace the main
control board of the
indoor unit.
5. Replace the main
control board of the
outdoor unit.
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.
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