Chapter 11 Troubleshooting
55
Chapter 11 : Troubleshooting
1. When a problem occur, please check if the following situation exists before
contacting Delta service personnel:
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
Unit information including model, serial number, etc.
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.
E12
Fan
Fault
Fan is damaged or
stuck.
1. Check if foreign matter
is stuck in the fan. If yes,
please remove it.
2. Contact service personnel.
E13
Over
Tempera-
ture
The UPS temperature is
too high.
1. Check whether the UPS’s
ventilation is normal.
2. Decrease the loads.
3. Check whether the fan
runs normally.
&OHDQWKH¿OWHUVLI\RX
have installed any)
E14
+/-DC BUS
High/ Low
The UPS has abnor-
malities.
Contact service personnel.
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