Huawei FusionModule5000 Smart Modular Data Center Maintenance Manual page 33

SmartDC
Maintenance Guide
Item
Check the UIM20A
expansion module
ALM indicator
Check the indicator on
the AC actuator.
Check the indicator on
the skylight actuator.
Issue 04 (2020-03-25)
Operation
Observe and check
whether the ALM
indicator on the
UIM20A expansion
module is normal.
Observe the PWR,
RUN, and ALM
indicators.
Observe the PWR,
RUN, and ALM
indicators.
Copyright © Huawei Technologies Co., Ltd.
Standard
The ALM indicator steady
on.
 If the green PWR
indicator is steady on, the
power input is normal.

If the RUN indicator
blinks slowly, the AC
actuator is running
normally.

The ALM indicator is off.

If the green PWR
indicator is steady on, the
power input is normal.
 If the RUN indicator
blinks slowly, the skylight
actuator is running
normally.
 The ALM indicator is off.
4 Routine Maintenance
Troubleshooting
blinks at short intervals,
check whether the
communications cable is
loose or disconnected or
whether the smart ETH
gateway is energized.
 If the ALM indicator is
steady on, clear the alarm.
If the indicator steady on, the
UIM20A expansion module
is faulty or the cables are not
properly connected. Check
the cables or replace the
UIM20A expansion module.
 If the PWR indicator is
off, check whether the
power cable of the AC
actuator is normal (normal
voltage is 220 V). If not,
reconnect the cable. If so,
replace the AC actuator.
 If the RUN indicator
blinks at short intervals,
check whether the RF_Z
antenna on the ECC800 is
normal or the antenna is
shielded. If so, install the
antenna to a different
position. If not, replace
the AC actuator.

If the ALM indicator is
steady on, clear the alarm.

If the PWR indicator is
off, check whether the
communications cable is
loose or disconnected or
whether the smart ETH
gateway is not energized.
If so, reconnect the cable.
If not, replace the cable.
 If the RUN indicator
blinks at short intervals,
check whether the
communications cable is
loose or disconnected or
whether the smart ETH
gateway is energized.
 If the ALM indicator is
steady on, clear the alarm.
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