www.phocos.com 50 | P a g e
Buzzer beeps
continuously and red
LED is on.
Fault code 07
Overload error. Inverter is
overloaded ≥110% for more
than allowed duration.
Reduce the connected load b y
switching off some equipment.
Fault code 05
Output short circuited.
Check if wiring is connected well
and remove abnormal loads.
Temperature of internal
converter components is
over 120°C.
Check whether the air flow of the
unit is blocked or whether the
ambient temperature is t oo high.
Fault code 02
Temperature of inverter
components is over 100°C.
Fault code 03 Battery is over-charged. Return to repair c enter.
The battery voltage is too
high.
Check if s pec ifications and quantity
of batteries meet requirements.
Fault code 01 Fan fault Replace the fan(s)
Fault code 06/58 AC output abnormal
1. Reduce the conne cted load.
2. Return to repair center
Fault code
08/09/53/57
Internal components failed. Return to repair center.
Fault code 51 Over cur rent or surge.
Restart the unit, if the error occurs
again, please return to repair center.
Fault code 52
Internal DC bus voltage too
low.
Fault code 55
Output voltage
unbalanced.
Fault code 56
Battery not connected cor-
rectly / internal fuse blown.
If the b attery is connected correctly,
please return to repair center.
Fault code 13
Battery disc harge over-
cur rent detected.
Increase the b attery discharge
cur rent limit in settings menu
number 41.
Warning code 60
Battery disc harging and
charging temporarily
disabled by battery
management syst em.
Battery is not allowed to discharg e
and charge as the battery
management syst em (BMS) in the
connected battery has blocked
disc harging and charging due a BMS
error. The Any-Grid will stop
disc harging and charging the
battery.
Warning code 61
Battery management
system communication
loss.
This fault is only available when the
battery typ e in settings menu 05 is
set to anything other than“AGM”,
“Flooded” or “User-defined”. Unless
you are using a BMS connection for
a compatible lithium battery and
have correc tly configured the
connection, make sure to use “AGM”,
“Flooded” or “User-defined”in
settings menu 05.
After battery c ommunication cable
is connected and a communication
signal is not d etected for 3 minut es,
buzzer will beep. After 10 minutes,
inverter will stop charging and
disc harging the battery.
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