Huawei SUN2000 Series User Manual page 67

Alarm ID Alarm
Name
2085 Built-in
PID
Operation
Abnormal
Contact your dealer or Huawei technical support if the measures listed in the Troubleshooting
Suggestion column have been taken but the fault persists.
Issue 02 (2019-04-30)
Alarm Possible Cause
Severity
Minor  Cause ID = 1
An unrecoverable fault
occurred in the internal
circuit.
 Cause ID = 2
The output resistance of the
PV array to ground is low.
Copyright © Huawei Technologies Co., Ltd.
SUN2000-(3KTL-10KTL)
Troubleshooting Suggestion
 Cause ID = 1
1. Turn off the AC output switch
and then the DC input switch.
After 15 minutes, turn on the
AC output switch and then the
DC input switch.
2. If the fault persists, contact
the dealer or Huawei customer
service center.
 Cause ID = 2
1. Check the output resistance of
the PV array to ground. If
there is a short circuit or lack
of insulation, rectify it.
2. If the fault persists, contact
the dealer or Huawei customer
service center.
User Manual
Page 67 of 81