Sofar solar SOFAR 7.5KTLM - 7.2. Maintenance

SOFAR 7.5KTLM User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
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ID83
RemoteDerating
The inverter has
derated by the
Remote control
Inverter records ID83 in case of remote
power derating operation. Check the wiring of
remote input and output control signal port on
the communication board according to Section
4.5 of this user manual.
ID84
RemoteOff
The inverter has
shut down because
by the Remote
control
Inverter records ID84 in case of remote
shutdown operation. Check the wiring of remote
input and output control signal port on the
communication board according to Section 4.5 of
this user manual.
ID85
UnderFrequency
Derating
Inverter derated
because the grid
frequency is too low
Inverter automatically reduce the output
power when the frequency of electrical grid is
too low. Please make sure the grid frequency is
within the acceptable range.
ID89
UnderFreqUp
Power
Under frequency up
power
Please make sure the grid frequency is
within the acceptable range.
ID93
Lightning
protection alarm
Lightning
protection tripped
Please check if the machine is damaged and
contact the technician for help.
ID94
Softwareversion
isnotconsistent
The software in the
control board and
the communication
board is not
consistent
Contact technical support to upgrade
software.
ID95
Communication
boardEEPROM
fault
The communication
board EEPROM is
fault
ID95~ID96 are internal faults of inverter,
turn OFF the “DC switch”, wait for 5 minutes,
then turn ON the “DC switch”. Check whether
the fault is rectified. If no, please contact
technical support.
ID96
RTCclockchip
anomaly
RTC clock chip is
fault
ID97
Invalid Country
The country is
invalid
Check the country setting according to
Section 6.3 (C) 5.Country of this user manual, If
it’s incorrect, change it according to Section 6.3
(A) 4.Set Country Code of this manual.
ID98
SDfault
The SD card is fault
Please replace the SD card.
7.2. Maintenance
Inverters generally do not need any daily or routine maintenance. Heat sink
should not be blocked by dust, dirt or any other items.Before the cleaning, make
sure that the DC SWITCH is turned OFF and the circuit breaker between inverter
and electrical grid is turned OFF. Wait at least for 5 minutes before the Cleaning.
 Inverter cleaning
Please clean the inverter with an air blower, a dry & soft cloth or a soft bristle
brush. Do NOT clean the inverter with water, corrosive chemicals, detergent, etc.