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When you see the following alarm messages appear on the LCD, please follow the solutions shown
below.
No.
Alarm Message
1
MAINS INPUT
VOLT OR FREQ
NOK
2
MAINS INPUT
PHASE SEQ NOK
3
PWR UNIT #n
PFC FUSE OPEN
SHUTDOWN
4
PWR UNIT #n
INV FUSE OPEN
SHUTDOWN
5
PWR UNIT #n
GENERAL FAULT
6
SYSTEM
GENERAL FAULT
7
BAT CABINET
OVER HEAT
8
BAT TEST FAIL
Ultron DPS Series
Possible Cause
1. The Input Switch (Q1) is
turned off.
2. The main AC source's
voltage or frequency is
abnormal.
Wrong wiring.
PFC fuse is fused.
Inverter fuse is fused.
Power unit's control circuit has
abnormalities, e.g. abnormal
auxiliary power, failing soft
start, etc.
System's auxiliary power is
abnormal.
1. Battery cabinet's
temperature is too high.
2. Battery cabinet has
abnormalities.
1. Wrong battery wiring.
2. Battery abnormality.
11- 2
Solution
1. Check whether the Input Switch
(Q1) is turned off. If yes, turn it on.
2. If the Input Switch (Q1) is turned
on but the alarm still exists, contact
service personnel.
3. Check if the main AC source's
voltage or frequency is abnormal. If
yes, please wait until the main AC
source becomes normal.
Check if the main AC source's wiring
and phase sequence are correct. If
not, please contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
1. Decrease the battery cabinet's
temperature.
2. Check if the battery cabinet has
any abnormality. If yes, contact
service personnel.
1. Check if battery grounding is
correct or not. If not, contact
service personnel.
2. Check if battery has abnormalities.
If yes, contact service personnel to
replace battery.
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