Alarm
ID
Alarm
Name
Alarm
Severity
Possible Cause Suggestion
61440 Faulty
Monitori
ng Unit
Minor Cause ID = 1
1. The ash memory is
insucient.
2. The ash memory has bad
sectors.
Turn o the AC output switch
and then the DC input
switches. After 5 minutes,
turn them on in the same
sequence. If the fault persists,
replace the monitoring board,
or contact your dealer or
technical support.
If you cannot rectify the fault using the recommended method in the Suggestion column,
contact your dealer or technical support.
8.5 Replacing a Fan
● Before replacing a fan, power o the inverter.
● When replacing a fan, use insulation tools and wear personal protective
devices.
If the fan tray gets stuck when being pulled or pushed, slightly lift it.
Step 1 Remove the screw on the fan tray and save it. Pull out the fan tray until the fan
bae plate aligns with the inverter chassis.
Figure 8-3 Pulling out fan tray (1)
Step 2 Remove the cable ties shared by the cables, unscrew the connectors, and
disconnect the cables.
SUN2000-(100KTL, 110KTL, 115KTL)-M2
User Manual 8 Maintenance
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 104