Growatt 7000MTL-S - Manufacturer Warranty; Warranty Information; Decommissioning; Dismantling the Inverter

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reason can be
utility grid voltage
or frequency
change frequently.
3.If error message still exists, contact
Growatt.
Error: 111
PE abnormal
1. Check PE ，to ensure that the PE
line contact good.
2. Check the L line and the N line to
ensure that they are not reversed.
3. Restart inverter .
4. If error message still exists, contact
Growatt.
Error: 116
EEPROM fault
Contact Growatt.
Error: 117
Relay fault
Contact Growatt.
Error: 118
Init model fault
Contact Growatt.
Error: 119
GFCI Device
Damage
Contact Growatt.
Error: 120
HCT fault
Contact Growatt.
Error: 121
Communication
fault. Master
processor can’t
receive data from
Slave processor.
1.Restart the inverter
2.If error message still exists, contact
Growatt.
Error: 122
Bus voltage fault
Contact Growatt.
Note ： The latest 5 NS(Network and System) protection records can be read by LCD or
communication software. An interruption of ≤3 Sec to the power supply does not lead to any loss
of fault records (according to VDE-AR-N 4105, cl.6.5.1).
11 Manufacturer Warranty
Please refer to the warranty card.
12 Decommissioning
12.1 Dismantling the Inverter
1 Disconnect the inverter as described in section 8 .
2 Remove all connection cables from the inverter.
CAUTION
Danger of burn injuries due to hot enclosure parts!
Wait 5 minutes before disassembling until the housing has cooled down.
3 Screw off all projecting cable glands.