Delta RPI M50A Installation And Operation Manual

133
Installation and Operation Manual for Inverter RPI M50A_12s V1 EU EN 2017-03-09
10 Error events and troubleshooting
Number Message Possible cause Correction suggestions
F06,
F08,
F09,
F10
HW NTC1 Fail,
HW NTC2 Fail,
HW NTC3 Fail,
HW NTC4 Fail
(HW NTCx Fail)
Ambient temperature is > 90 °C or < -30 °C. Check the system environment.
Fault in the detection circuit. Check the detection circuit in the Inverter.
F18,
F19
HW Red ADC1,
HW Red ADC2
The DC input voltage is less than the minimum
required DC voltage.
Check the DC input voltage on the inverter dis-
play.
There may be insufficient solar irradiation.
Internal error. Contact Delta Customer Service.
F50
HW ZC Fail
(HW ZC Fail)
Internal error. Contact Delta Customer Service.
F27
RCMU Fail
(RCMU Fail)
Internal error. Contact Delta Customer Service.
F13, F29
Relay Open
(Relay Open)
Internal error. Contact Delta Customer Service.
F28
Relay Short
(Relay Short)
Internal error. Contact Delta Customer Service.
Fault in the relay driver circuit. Check the driver circuit in the Inverter.
F05
Temperature High
(Temperature High)
The ambient temperature is > 60 °C. Check the system environment.
F07
Temperature Low
(Temperature Low)
The ambient temperature is < -30 °C. Check the system environment.
Internal error. Contact Delta Customer Service.

Delta RPI M50A Specifications

General

Brand	Delta
Model	RPI M50A
Category	Inverter
Language	English