Delta Modulon DPH Series User Manual page 235

Three phase 200-600 kva
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Alarm
No.
Message
Battery
18
Ground Fault
Battery
19
Breaker OFF
Battery Over
20
Temperature
Battery Under
21
Temperature
Output
Overload
22
Warning
Output
Overload
23
Shutdown
Possible Cause
The battery grounding
is wrong or the input dry
wrong.
The external battery cabinet's
The battery temperature is
too high or the batteries are
abnormal.
The battery temperature is
too low or the batteries are
abnormal.
The connected loads exceed
the rated value.
The connected loads exceed
the rated value for a long
time.
10-5
Solution
1. Check if the battery wiring is normal
or not.
2. Check if the input dry contact
configurations are normal or not.
3. If the alarm message still exists
after the solutions mentioned above
have been executed, please contact
service personnel.
1. Please check if the external battery
cabinet's breaker is turned off or not.
If yes, please turn it on.
2. If the alarm message still exists
after the solution mentioned above
has been executed, please contact
service personnel.
1. Improve ventilation to reduce the
battery temperature.
2. Check if the batteries are abnormal
or not. If yes, please contact service
personnel for assistance.
1. Check the battery constant
temperature equipment.
2. Check if the batteries are abnormal
or not. If yes, please contact service
personnel for assistance.
Please decrease the loads.
1. After overload shutdown, the
connected loads will be supplied
via the bypass. Please decrease
the loads to let the system re-start
automatically.
2. If the alarm message still exists
after the solution mentioned above
has been executed, please contact
service personnel.
10
Troubleshooting

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