Fault Codes (Inverter Fault) - Delta M70A-262 Operation And Installation Manual

Error Message and Trouble Shooting

6.2 Fault Codes (Inverter Fault)

Message
DC
Injection
Utility waveform is abnormal
(F01, F02,
F03)
Temperature One of inner ambient NTC and
High inverter module NTCs is over
(F05) high temperature limit
Temperature One of inner ambient NTC and
Low inverter module NTCs is under
(F07) low temperature limit.
Amb Temp
The ambient NTC temperature
Fault
>90 ℃ or <-30 ℃
(F06)
Inveter Temp
The inverter NTC temperature
Fault
>98 ℃ or <-30 ℃
(F10)
AC Sensor
DSP Iac or Vac sensor circuit
Fault
defective
(F15)
Vdc Sensor
DSP Vdc sensor circuit
Fault
defective
(F16)
Idc Sensor
DSP Idc sensor circuit
Fault
defective
(F17)
AC Sensor
Red Iac or Vac sensor circuit
Fault
defective
(F18)
AC Sensor
Red Idc or Vdc sensor circuit
Fault
defective
(F19)
Table 6-2A: Fault Codes (inverter fault) & Messages
Description
Contact customer service for
technical support
Check the installation ambient and
environment
Check the installation ambient and
environment
Contact customer service for
technical support
Contact customer service for
technical support
1. Check the polarity of PV connection
(if the error code comes along with W08)
2. Contact customer service for
technical support
Contact customer service for
technical support
1. Check the polarity of PV connection
(if the error code comes along with W08)
2. Contact customer service for
technical support
1. Check the polarity of PV connection
(if the error code comes along with W08)
2. Contact customer service for
technical support
Contact customer service for
technical support
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