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61
4. Operation
Audible Alarms Display LEDs
Alarm Status
Frequency
of Alarm
Alarm Battery Bypass Inverter
UPS
Faults
Inverter Fault
Continuous
Beeps
Yes
ON ON OFF OFF
Inv. IGBT Bridge Shorted
Continuous
Beeps
Yes
ON ON OFF OFF
Inverter Thyristor Short
Continuous
Beeps
Yes
ON ON OFF OFF
Inverter Thyristor
Broken
Continuous
Beeps
Yes
ON ON OFF OFF
Bypass Thyristor Short
Continuous
Beeps
Yes
ON ON OFF OFF
Bypass Thyristor Broken
Continuous
Beeps
Yes
ON OFF OFF OFF
CAN Comm. Fault Beeps/1 Second
Yes
ON OFF OFF OFF
Parallel Load Sharing
Fault
Beeps/1 Second Yes ON ON OFF OFF
IGBT Over Current
Continuous
Beeps
Yes ON ON OFF OFF
Fuse Broken
Continuous
Beeps
Yes
ON ON OFF OFF
Cable Connection Error Beeps/1 Second
Yes
ON ON OFF OFF
Parallel Relay Fault
Continuous
Beeps
Yes ON ON OFF OFF
Initialization Fault
Continuous
Beeps
Yes
ON OFF OFF OFF
Inverter On Invalid
Continuous
Beeps
Yes ON ON OFF OFF
Output Short Circuit Beeps/1 Second
Yes
Blinks/1
Second
OFF OFF OFF
Bypass A SCR short
Continuous
Beeps
Yes
ON ON OFF OFF
Bypass B SCR short
Continuous
Beeps
Yes
ON ON OFF OFF
Bypass C SCR short
Continuous
Beeps
Yes ON ON OFF OFF
Cabinet Fan Fault
Continuous
Beeps
Yes
ON ON OFF OFF
Internal Comm. Error
Beeps/
2 Seconds
Yes
ON OFF OFF OFF
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