GE GEP User Manual

Maintenance
41
User Manual V1.3-2022-11-18
No. Fault Cause Solutions
18
Low Insulation
Res. (Earth fault
alarm)
1. The PV string is
short-circuited
to PE.
2. The PV system
is in a moist
environment
and the cable
is not well
insulated to the
ground.
1. Check whether the resistance of the PV
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short circuit point.
2. Check whether the PE cable is connected
correctly.
3. If the resistance is lower on rainy days,
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markets can also be alerted in the following
ways in the event of insulation impedance
failure:
1. The inverter is equipped with the buzzer:
the buzzer sounds continuously for 1
minute in case of failure; If the fault is
not resolved, the buzzer sounds every 30
minutes.
2. $GGWKHLQYHUWHUWRWKHPRQLWRULQJ
platform, and set the alarm reminder,
the alarm information can be sent to the
customer by emails.
19
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Ground
1. The PE cable of
the inverter is
not connected
well.
2. The L cable
and N cable
are connected
reversely when
output of the
PV string is
grounded.
1. Check whether the PE cable of the inverter
is connected properly.
2. Check whether the L cable and N cable
are connected reversely if output of the PV
string is grounded.
20
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power Failure
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1. If the exception is caused by an
external fault, the inverter will recover
automatically after solving the problem.
2. If the problem occurs frequently and the
PV station cannot work properly, contact
the dealer or the after-sales service.

GE GEP Specifications

General

Brand	GE
Model	GEP
Category	Inverter
Language	English