Amplon RT Series
48
Chapter 11 : Troubleshooting
1. When a problem occurs, please check if the following situation exists before contacting Delta
service personnel:
Is the main input voltage present?
2. Please have the following information ready before contacting the Delta service personnel:
Unit information including model, serial number, etc.
An exact description of the problem; the more detailed, the better.
3. When you see the following problems occur, please refer to the solutions shown below.
Error
Code
Meaning Possible Cause Solution
0X8221
DC Bus Over
Shutdown -
Positive
1. The output is connected
to capacitive loads or
inductive loads.
2. The UPS has an internal
fault.
1. Remove the capacitive
loads or inductive loads.
2. Please contact service
personnel.
0X8241
DC Bus Over
Shutdown -
Negative
1. The output is connected
to capacitive loads or
inductive loads.
2. The UPS has an internal
fault.
1. Remove the capacitive
loads or inductive loads.
2. Please contact service
personnel.
0X82A1
DC Bus Under
Shutdown -
Positive
The UPS has an internal
fault.
Please contact service
personnel.
0X82C1
DC Bus Under
Shutdown –
Negative
The UPS has an internal
fault.
Please contact service
personnel.
0x1200
INV Volt Abnormal
The UPS has an internal
fault.
Please contact service
personnel.
0x1101
Output Overload
Shutdown
The UPS is overloaded.
Check the power consumption of
the loads, and remove the
unnecessary loads.
0xA000
Charger Fault
The UPS has an internal
fault.
Please contact service
personnel.
0X2402
INV IGBT Over
Heat Shutdown
1. The vents are blocked.
2. The UPS has an internal
fault.
1. Check whether the vents
are blocked.
2. Contact service personnel.
0X2402
PFC Over Heat
Shutdown
1. The vents are blocked.
2. The UPS has an internal
fault.
1. Check whether the vents
are blocked.
2. Contact service personnel.
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