Annual Maintenance; Alarm References - Huawei NetCol8000-C070 User Manual

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Item
Cap

6.4 Annual Maintenance

Table 6-3 Annual maintenance
Maintenanc
e Item
T/H sensors
Heat
exchanger

6.5 Alarm References

Table 6-4 Alarm description
Alar
m ID
A001
Issue 02 (2020-08-30)
Method (Monthly
Maintenance)
Check that the cap is
reliably secured.
Check that the air
deflector is adjusted to a
proper angle.
Operation
(Semiannual
Maintenance)
Check that the
temperature and
humidity readings are
correct as measured.
Check that no foreign
matter exists on the
heat exchanger
surface.
Alarm Alarm Possible Cause
Name Severi
ty
Supply Major 1. The cables to the
air 1 temperature sensor are
temperat loose or damaged.
ure
2. The temperature
sensor
sensor is faulty.
fault
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Troubleshooting
Tighten the cap again.
Adjust the angle of the air deflector
again.
Troubleshooting
If the temperature deviation is greater
than 1°C or humidity deviation is greater
than 5%, calibrate or replace the
humidity and temperature sensor. For
the calibration method.
Remove foreign matter.
Solution
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
128