Sanyo SANUPS A11J, Instruction Manual

Page: 38 / 52

Troubleshooting
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CAUTION
！
Internal maintenance and inspection should be performed only by technically qualified
personnel. Electric shock, injury, burning, fuming or fire could otherwise result.
Before beginning inspection, shut down the UPS completely, and remove the input
power. Failure to do so may result in an electric shock.
While the batteries are connected to the UPS, hazardous voltage is present. Never touch
any parts with your hand. Doing so may result in an electric shock.
Check the status of the UPS and see the following table for the countermeasures to take.
1/3
UPS Status LCD Indication LED Status Countermeasure
The buzzer sounds when the
UPS starts.
Batt Vol Error －
Are the battery packs installed properly?
Stop the UPS, and check that two battery packs and the battery pack
securing bracket are installed properly.
See No.
③
and
④
in §5.1 “UPS” to confirm position of the battery
packs and battery pack securing bracket.
After checking, restart the UPS and check that the buzzer does not
sound.
－
Green OUTPUT:
Off
Is the input power supply connected to the UPS properly?
See §6.3 “Wiring,” and perform the wiring properly.
Check that the input voltage and input frequency are within the rated
ranges. See §14.4 “Specifications.”
Was the startup operation performed in accordance with the correct
procedure?
See §8.1 “UPS Startup" and check the correct operating procedure.
－
All: Off
Is
MAIN MCCB
set to “ON”?
See §8.1 “UPS Startup" and check the correct operating procedure.
Input Error
Input Freq Err
Input Vol Hi
Input Vol Low
Green INPUT:
Blinking
Is the voltage of the UPS set properly?
See §3.1 “Setting Voltage” of the
LCD Panel Operating Manual,
and
check the settings.
Check that the input voltage and input frequency are within the rated
ranges. See §14.4 “Specifications.”
Remote OFF
－
The remote OFF signal is set to “ON.” See §5.4 “External Interfaces.”
No power is supplied from the
terminal block of the UPS.
EPO ON
－
The EPO signal is set to “ON.” See §5.4 “External Interfaces.”
-ONLINE-
Green OUTPUT:
Lit
Was the shutdown operation performed in accordance with the correct
procedure? See §8.2 “UPS Shutdown.”
However, bypass power supply will continue during bypass operation if
it was started by, for example, a change over with the forced bypass
switch, an overload, or malfunction.
If the shutdown operation was performed by pressing on the unit
control panel, was the shutdown operation performed in accordance
with the setting value?
Is “UPS Shutdown Operation” in the LCD panel setting menu set to “3
Sec.” (3 seconds) or “Unique” (special operation)?
See §3.9 “Setting UPS Shutdown Operation” in the
LCD Panel
Operating Manual
and check the setting value.
The default setting is “
1 Sec
.” (1 second).
-BYPASS-
Green OUTPUT:
Blinking
Is “UPS Operation at
OFF” in the LCD panel setting menu set to
“
BYPASS
”?
See §3.11 “Setting UPS Operation at OFF” in the
LCD Panel
Operating Manual
and check the setting value. The default setting is
“OFF.”
Power from the terminal
block of the UPS does not
stop.
Nothing is
indicated.
Red ALARM: Lit
All other LEDs
are off.
The UPS has malfunctioned.
Contact your supplier or SANYO DENKI.