Delta RPI M80U Operation And Installation Manual page 59

Message
Solar2 1. Actual Solar2 voltage is over
High 1000Vdc
(E31) 2. Detection circuit malfunction
1. PV array insulation fault
2. Large PV array capacitance
Insulation
between Plus to Ground or
(E34)
Minus to Ground or both.
3. Detection circuit malfunction
Table 6-1 : Error Message
Message
1. Actual Solar1 voltage is under
the limit
Solar1
2. Some devices were damaged
Low
inside the inverter if the actual
(W01)
Solar1 voltage is close to "0"
3. Detection circuit malfunction
1. Actual Solar2 voltage is under
the limit
Solar2
2. Some devices were damaged
Low
inside the inverter if the actual
(W02)
Solar2 voltage is close to "0"
3. Detection circuit malfunction
1. One or more fans are locked
2. One or more fans are defective
HW FAN
3. One ore more fans are
(W11)
disconnected
4. Detection circuit malfunction
1. Inverter was struck by lighting.
2. One or more SPD are defective
AC Surge
3. One or more SPD are
DC Surge
disconnected
4. Detection circuit malfunction
Table 6-2 : Warning Message
ERROR
Possible cause
Warning
Possible cause
Error message and Trouble Shooting
1. Modify the solar array setting, and
make the Voc less than 1000Vdc
2. Contact our customer service for
technical support
1. Check the insulation of Solar inputs
2. Check the capacitance, dry PV panel
if necessary
3. Contact our customer service for
technical support
1. Check the Solar1 voltage connection
to the inverter terminal
2. Check all switching devices in boost1
3. Contact our customer service for
technical support
1. Check the Solar2 voltage connection
to the inverter terminal
2. Check all switching devices in boost2
3. Contact our customer service for
technical support
1. Remove the object that stuck in the
fan(s)
2. Replace the defective fan(s)
3. Check the connections of all fans
4. Contact our customer service for
technical support
1. Check inverter's status
2. Replace the defective SPD
3. Check the connections of SPDs
4. Contact our customer service for
technical support
59
Action
Action