Delta Modulon DPH Series User Manual page 213

No. Alarm Message
Battery Ground
18
Fault
Battery Breaker
19
OFF
Battery Over
20
Temperature
Battery Under
21
Temperature
Output Overload
22
Warning
Output Overload
23
Shutdown
24 INV Volt Abnormal
Possible Cause
The battery grounding
is wrong or the input dry
wrong.
The battery breaker is
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.
The inverter's output
voltage is too high or too
low.
10-5
Solution
1. Check if the battery wiring is normal or
not.
2. Check if the input dry contact
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
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 by
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.
Please contact service personnel for
assistance.
10 Troubleshooting