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Chapter 11 Troubleshooting
Chapter 11 : Troubleshooting
When you see the following problems appear on the LCD, please follow the solutions shown below.
No.
Alarm Message
Possible Cause
Solution
1
SHORT CIRCUIT
Output has a short circuit issue.
Contact service personnel.
2
INVERTER FAIL
Inverter is damaged.
Contact service personnel.
3
OVER TEMPERA-
TURE
The UPS temperature is too high.
1. Choose a well-ventilated area.
2. Decrease some loads.
3. Check if fans run normally.
J
4
PFC AMBIENT
OVER TEMP. FAIL
The UPS temperature is too high.
1. Choose a well-ventilated area.
2. Decrease some loads.
3. Check if fans run normally.
J
5
INVERTER SCR
OPEN
Inverter SCR driver is abnormal.
Contact service personnel.
6
BYPASS SCR
OPEN
Bypass SCR driver is abnormal.
Contact service personnel.
7
OVERLOAD
The UPS is overloaded.
Remove some unnecessary loads
to let total load capacity below
95%.
8
FAN FAIL
Fans are damaged or stuck.
Contact service personnel.
9
BYPASS SCR
SHORT FAIL
1. Bypass SCR driver is damaged.
2. Bypass SCR has a short circuit
issue.
Contact service personnel.
10
INPUT SCR
SHORT FAIL
1. Input SCR driver is damaged.
2. Input SCR has a short circuit
issue.
Contact service personnel.
11
OUTPUT FUSE
FAIL
Output fuse is broken.
Contact service personnel.
12
AUX POWER FAIL
Auxiliary power is damaged.
Contact service personnel.
13
INDUSTRY PRO-
TECT
In industrial mode, output has an
over current issue.
Check if output is normal.
Summary of Contents for Ultron GES203HH33A035
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