164 Troubleshooting
37181
(0x913d)
AC switch closed AC switch is closed in the
module that is not operational.
• Check aux. code to identify
switch.
• Open the AC switch.
37184
(0x9140)
AC breaker tripped AC breaker tripped. Check
• aux. code to identify breaker
• breaker settings and wiring.
37185
(0x9141)
AC breaker closing AC breaker failed to close. Check
• aux. code to identify breaker
• breaker settings and wiring.
37186
(0x9142)
AC breaker opening AC breaker failed to open. Check
• aux. code to identify breaker
• breaker settings and wiring.
37200
(0x9150)
Transfer trip Transfer trip command received. Remove command and reset
fault.
37201
(0x9151)
Shutdown Shut down command received
from digital input or SCADA.
Remove command and reset
fault.
37202
(0x9152)
DC input current
deviation
Current deviation detected. • Check aux. code (format XY),
to know which DC input
activated the fault.
X = module number
Y = DC input number
• Examine the affected DC input
for shading.
• Make sure that panels in
affected DC inputs are not
damaged.
• Make sure that the DC input
monitoring configuration
settings are feasible.
37203
(0x9153)
Blown DC input fuse One or more DC input fuse(s)
failed.
• Check aux. code (format XY),
to know which DC input
activated the fault.
X = module number
Y = DC input number
• Check fuse indicators in DC
section to locate the blown
fuse.
Code in
Dec
(Hex)
Fault Cause What to do