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5.0 Operation
5.3.3.3 Internal Fault Messages
The inverter continually monitors several internal components and will shut
down to help protect itself if one of the following "internal" faults occurs.
Remedy: If an "internal" fault occurs, perform an inverter or power
reset to clear it (see Sections 6.2 & 6.3). After the reset, turn the
inverter on. If the internal fault remains or returns, the inverter will
require repair at an authorized service facility.
PWR
FAULT
Internal Bridge
CHG
Settings/Info..
INV
Figure 5-35, Internal Bridge Fault
•
Internal Bridge – The inverter shut down because while inverting, the
output circuit is no longer detecting any AC output voltage or current.
PWR
FAULT
Internal Charger
CHG
Settings/Info..
INV
Figure 5-36, Internal Charger Fault
•
Internal Charger – The inverter shut down because while charging,
the charger circuit is attempting to provide maximum current, but is not
detecting any current or voltage rise to the battery bank.
PWR
FAULT
Internal NTC
CHG
Settings/Info..
INV
Figure 5-37, Internal NTC Fault
•
Internal NTC – The inverter shut down because the internal NTC
(Negative Temperature Coeffi cient) temperature sensor caused a very large
but unexpected temperature change.
PWR
FAULT
Internal Relay
CHG
Settings/Info..
INV
Figure 5-38, Internal Relay Fault
•
Internal Relay – The inverter shut down because the internal AC
transfer relay did not close while charging.
53
Internal Bridge appears on the
LCD. The FAULT (red) LED is on. The
PWR (green), CHG (green), and INV
(green) LEDs are off.
Internal Charger appears on the
LCD. The FAULT (red) LED is on. The
PWR (green), CHG (green), and INV
(green) LEDs are off.
Internal NTC appears on the LCD.
The FAULT (red) LED is on. The
PWR (green), CHG (green), and INV
(green) LEDs are off.
Internal Relay appears on the
LCD. The FAULT (red) LED is on. The
PWR (green), CHG (green), and INV
(green) LEDs are off.
©2013 Magnum Energy, Inc.
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