Huawei SUN2000 Series User Manual page 102

SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3)
Seires
User Manual
Alarm Alarm Name
ID
2088 Abnormal DC
protection unit
2093 Abnormal DC
Switches
61440 Faulty
Monitoring Unit
Issue 03 (2021-09-30)
Alarm Cause
Severity
Major Cause ID = 3
DC switch contact
sticking.
Minor Cause ID=1
The DC switch is not in
the ON position, or the
DC switch reset button is
not pressed down to the
bottom.
Minor Cause ID=1
1. The flash memory is
insufficient.
2. The flash memory has
bad sectors.
NO TE
If you cannot rectify faults with the measures listed in troubleshooting suggestions,
contact your dealer or Huawei technical support.
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance
Troubleshooting Suggestions
If the PV indicator (LED1) is
off, contact your dealer or
Huawei technical support to
replace the device. If the PV
indicator (LED1) is on, wait
until the PV string current
decreases to below 0.5 A.
Then turn off the AC output
switch and then the DC input
switch. After 5 minutes, turn
on the AC output switch and
the DC input switch. Wait until
the inverter connects to the
power grid. If the fault persists
5 minutes later, contact your
dealer or Huawei technical
support
Check whether all DC switches
are in the ON position. If not,
turn the switches to the ON
position (you can rotate the
switches with force to ensure
that they are in position). If
the switches still cannot be
turned to the ON position,
press the reset buttons of all
DC switches inwards until they
cannot be moved further, and
then turn on the DC switches
again.
Turn off the AC output switch
and DC input switch, and then
turn them on after 5 minutes.
If the fault persists, replace
the monitoring board or
contact your dealer or Huawei
technical support.
95