PV Powered 4600 Manual del operador descargar pdf (Pagina 24)

7.Troubleshooting

When an unpredictable error occurs, MEAN WELL advises the user to check the error

code and notify the local system installation vendors to repair the inverter.

Error Code

Error Cause Error Cause Suggested Solution

Grid Voltage

Abnormal

1. Grid voltage too high or

too low

2. Grid connection contact

resistance too high

3. Grid disconnected

4.AC cable damaged

1. Grid voltage too high

2.Grid connection contact

resistance too high

contact is outside range

2. Check if circuit breaker has

been triggered

3.Increase wire diameter to

reduce resistance

1. Measure whether connection

between grid voltage and GSI

Grid Voltage High

for past 10 minutes

Measure whether connection

between grid voltage and GSI

contact is too high

Grid Frequency

Abnormal

Grid frequency outside

acceptable range

Measure whether grid

frequency is outside range

PV End Voltage

High

DC voltage too high

1.Disconnect the GSI from

the PV module immediately

to protect the GSI

2. Check PV module voltage;

wait for a suitable input

condition to reconnect the

GSI

*The GSI may already be

damaged

PV End Voltage Low DC voltage too low Wait for greater sunshine!

Leakage Current

Abnormal

Insulation Abnormal

Relay Connection

Abnormal

Fan Lock

PWM Abnormal

DC Bus Voltage High

Over Temperature

Protection

Excessive leakage current

may be due to ground fault

Installation error or

foreign object entered

Internal fault

1. Foreign object stuck

2.Fan fault

Internal Fault

1. Operation temperature

too high

2.Fan lock

Check for a ground fault

Check whether equipment

is installed correctly or if a

foreign object has entered

Reset and check again. If

fault is frequent, please notify

MEAN WELL

Reset and check again. If

fault is frequent, please notify

MEAN WELL

Reset and check again. If

fault is frequent, please notify

MEAN WELL

1. Clean fan

2.Change fan

1. Check if ventilation

passage is clear or if ambient

temperature is too high

2.Clean or change fan

Table 7-1

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 32 33

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