Chapter 9 Troubleshooting
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Chapter 9 : Troubleshooting
1. When a problem occur, please check if the following situation exists before
contacting Delta service personnel:
z
z
Is the main input voltage present?
2. Please have the following information ready if you would like to contact the Delta
service personnel:
z
z
Unit information including model, serial number, etc.
z
z
An exact description of the problem. The more detailed description of the
problem, the better.
3. When you see the following problems occur, please follow the solutions shown
below.
A. About the error codes shown on the 7-segment Display:
Error
Code
Meaning
Possible
Cause
Solution
E11 Charger
Fault
Charger is damaged. Contact service personnel.
E13 Temperature
Out of
Range
The UPS temperature
is out of range.
1. Check whether the UPS’s
ventilation is normal.
2. Decrease the loads.
3. Check whether the fan(s)
run(s) normally.
4. Clean the lters (if you
have installed any).
E14 +/- DC BUS
High/ Low
The UPS has
abnormalities.
Contact service personnel.
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