Delta RPI H3A User Manual

36
9.2 Error Message & Trouble Shooting
Table 9-2: Error message
ERROR
Message Possible cause Action
E01: Grid
Freq. Over
Rating
1. Actual utility frequency is
higher than the OFR
setting
2. Incorrect country setting
3. Detection circuit
malfunction
1. Check the utility frequency on
the inverter terminal
2. Check country setting
3. Check the detection circuit
inside the inverter
E02: Grid
Freq.
Under
Rating
1. Actual utility frequency is
lower than the UFR
setting
2. Incorrect country or Grid
setting
3. Detection circuit
malfunction
1. Check the utility frequency on
the inverter terminal
2. Check country & Grid setting
3. Check the detection circuit
inside the inverter
E07:Grid
Quality
Non-
linear load in Grid and
close to inverter
Grid connection of inverter need
to be away from non-linear
load if necessary
E09: No Grid
1. AC breaker is OFF
2. AC plug Disconnected
3. Internal fuses are
broken
1. Switch on AC breaker
2. Check the connection in AC
plug and make sure it
connects to inverter
3. Replace fuses and check all
switching devices in boost &
inverter stages

Delta RPI H3A Specifications

General

Brand	Delta
Model	RPI H3A
Category	Inverter
Language	English