97
EN-US
Class 2 Service
Codes
Class 3 Service
Codes
Class 3 comprises status codes that may appear during feed-in operation and that do not
cause a permanent interruption of the operation of feeding energy into the grid.
After automatic disconnection from the grid and waiting for its conditions to return to those
stipulated, your inverter will try to resume feed-in operation.
112 RCMU fault 1. Old filter PC board software
(<4.6)
1. Software update
2. Permanent ground fault 2. Check AC/DC connections
Code Description Behavior Remedy
Code Description Behavior Remedy
240 AFCI trigger No error – AFCI triggered. Er-
ror visible for 4 seconds, then
241
Automatic correction
241–242 AFCI trigger AFCI triggered. To continue
the process, press Enter 2x
(first 242, then process is con-
tinued)
Check PV generator
245 AFCI self-test error 1. Self-test running defective
during fault detection
1. Restart inverter or update
software
2. Replace filter PC board
247 AFCI current sensor fault 1. Data reconciliation of prima-
ry/secondary current sensor
failed
1. Restart inverter or update
software
2. Replace filter PC board
Code Description Behavior Remedy
301 Current peak found on grid 1. Voltage drop in public grid 1. Automatic correction
2. Grid impedance outside of
permissible values
2. Contact energy provider
3. Bad contact: wall bracket <-
-> inverter
3. Check fixing screws in DAT-
COM area
4. Measurement error on filter
PC board
4. Replace filter PC board
5. Incorrect capacity on device 5. Replace AC power module
302 Current peak found on PV
generator
1. Bad contact: wall bracket <-
-> inverter
1. Check fixing screws in DAT-
COM area
2. Voltage drop in public grid 2. Automatic correction
3. Measurement error on pow-
er module
3. Replace AC PC board Oth-
erwise replace DC PC board
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