11-8
Ultron DPS Series
No. Alarm Message Possible Cause Solution
54 BYPASS
BREAKER
OFF
The Bypass Switch (Q2) is
turned off.
1. Check if the Bypass Switch (Q2) is
turned off. If yes, turn it on.
2. If the Bypass Switch (Q2) is turned
on but the alarm still exists, contact
service personnel.
55 PWR UNIT #n PFC
INPUT CURRENT
UNBALANCE
PFC is abnormal. Contact service personnel.
56 INHIBIT ECO
TRANSFER
Bypass source quality is not
good.
Please check the bypass source.
57 PWR UNIT #n
CHARGER FUSE
BLEW
Charger is abnormal. Contact service personnel.
58 PWR UNIT #4
INV CURRENT
SHARING
ABNORMAL
IVN is abnormal. Contact service personnel.
NOTE:
If all possible causes are eliminated but the alarm still appears, please contact your local
dealer or customer service.
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