Appendix B Error codes
Solar-related error codes
Error code on display Error cause
S002-S
Over temperature in Solar module
S004-S
Solar panel voltage too high
S007-S
Solar panel current too high
S005-S
An internal bus problem
S013-S
Solar panel power output too high
S016-S
Internal communication error
grid-related error codes
Error code on display Error cause
D001-S
Grid module temperature too high
D002-S
An internal bus problem
D003-S
D007-S
Grid relay failure
D007-H
D010-S
Internal overload
D015-S
Internal communication error
D025-H
An internal bus problem
D027-H
D028-H
Internal supply voltages out of range
D029-S
Cold start failed
D011-S
Load voltage too low
D012-S
Load voltage too high
D013-H
Load short circuit
D023-H
Current overload
D031-H
Power overload
System-related error codes
Error code on display Error cause
P027-H
Internal voltage error
P028-H
Internal frequency error
P029-H
Internal relay error
P089-H
Self-use sensor not found
P092-H
The PowerRouter is not configured
P098-H
Hardware is not supported in software
P081-H
Install wizard error
User recommended action
Check ambient temperature of the PowerRouter. Check for
obstructions in the air flow channel.
Check solar panel configuration and wiring
Contact your installer/dealer if this fault occurs frequently
User recommended action
Check ambient temperature of the PowerRouter. Check for
obstructions in the air flow channel.
Contact your installer/dealer if this fault occurs frequently
Check grid voltage
Check load
Disconnect excessive loads
User recommended action
Contact your installer/dealer if this fault occurs frequently
Reset the PowerRouter, re-run the Install Wizard
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