Delta Modulon DPH Series User Manual page 215

No. Alarm Message
36 Incompatible - Bat
Type
EXT Parallel Comm
37
Loss
38 Local Comm Loss
EXTCAN Bus
39 Abnormal -
Physical
INTCAN Bus
40 Abnormal -
Physical
MONCAN
41 Abnormal -
Physical
PFC #n MONCAN
42
Comm Loss
Parallel IO
43
Abnormal
INV #n PLL Bus
44
Abnormal
Possible Cause
between the parallel
UPS units' battery
settings.
2. The input dry
contact setting for
the generator is
abnormal.
The parallel cable is
loose or the circuit board
has abnormalities.
The system's internal
communication cable is
loose or the circuit board
has abnormalities.
The parallel cable is
loose or the circuit board
has abnormalities.
The system's internal
communication cable is
loose or the circuit board
has abnormalities.
The system's internal
communication cable is
loose or the circuit board
has abnormalities.
The circuit board has
abnormalities.
The system's internal
communication cable is
loose or the circuit board
has abnormalities.
The main AC source's
voltage is changed or
the circuit board has
abnormalities.
10-7
Solution
1. Check if the battery settings among
the parallel UPS units are correct or
not, and contact service personnel for
assistance.
2. Check the input dry contact setting.
connected or not, and contact service
personnel for assistance.
Please contact service personnel for
assistance.
connected or not, and contact service
personnel for assistance.
Please contact service personnel for
assistance.
Please contact service personnel for
assistance.
Please contact service personnel for
assistance.
Please contact service personnel for
assistance.
voltage is abnormal or not.
If yes, please wait for the main AC source
to be restored to normal.
If no, please contact service personnel for
assistance.
10 Troubleshooting