Huawei NetCol5000-C Series User Manual page 159

NetCol5000-C030 In-row Chilled Water Smart Cooling
Product
User Manual (Simple Configuration)
Alarm Alarm Name
ID
a079 Drain
abnormal
a080 CW value
exceed
runtime
a081 Power
undervolt
Issue 09 (2020-01-10)
Severity System
Operation
Major The alarm is
generated.
Warning The alarm is
generated.
Major The alarm is
generated, and
the
NetCol5000-C
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
the condensate
pump is blocked if
the condensate
pump is
configured.
5. The internal
drainpipe or the
pipelines is
blocked if no
condensate pump.
6. The condensate
pump is blocked.
1. The cables to the
float are loose or
damaged.
2. The float is faulty
or stuck.
3. The condensate
pump is faulty, or
the drainage
capability
decreases if
configured.
4. The drainpipe of
the condensate
pump is blocked if
the condensate
pump is
configured.
5. The internal
drainpipe or the
pipelines is
blocked if no
condensate pump.
6. Air penetrates the
condensate pump
pipe if condensate
pump is
configured.
7. The condensate
pump is blocked.
The accumulated
runtime of CW valve
exceeds the alarm
threshold.
1. The power supply
voltage is lower
than the power
undervolt alarm
Recovery Measures
5. Clear the internal
drainpipe.
6. Replace the
condensate pump,
and clean the water
pan and water pan
filter.
1. Check the cables to
the float.
2. Maintain or replace
the float or clear the
obstacles.
3. Maintain or replace
the condensate
pump.
4. Clear the obstacles
in the drainpipe of
the condensate
pump.
5. Clear the internal
drainpipe.
6. Exhaust air in the
condensate pump
pipe.
7. Replace the
condensate pump,
and clean the water
pan and water pan
filter.
Maintain or replace the
CW valve and clear the
accumulated runtime.
1. Check the power
supply voltage.
2. Maintain or replace
the voltage jumper.
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