Troubleshooting/Problem Solving
SMA Solar Technology AG
154
SBU2200-TEN083320
Technical Description
21.5 Events
The meaning of events reported by the Sunny Backup 2200 are explained in the following table:
Display no.
Description
Category INV
E101
wait status
E102
startup process
E103
operation
E110
shutting down due to fault
E118
automatic start
E119
manual start (transfer from standby mode into operation)
E120
manual stop (transfer from operation into standby mode)
E121
energy saving mode 1
Category BAT
E202
(partial) reset of BMS due to new battery (QCG NewBat)
E203
state change, battery charging algorithm for float (maintenance) charge
E204
state change, battery charging algorithm for boost charge
E205
state change, battery charging algorithm for full charge
E206
state change into silent mode (BMS)
E207
state change, battery charging algorithm for equalization charge
E221
battery preservation mode level 1
E222
battery preservation mode level 2
E223
battery preservation mode level 3
Category REL
E601
relay 1 off
E602
relay 1 on
E609
transfer relay open (disconnection from grid)
E610
transfer relay closed (connection to the grid)
E617
relay 2 open
E618
relay 2 closed
E625
digital input OFF (Low)
E626
digital input ON (High)
E633
master operating contact on
E634
master operating contact off