LIEBERT® PSP
TM
Quick Installation Guide
590-1631-501A\SLI-23285_REV1_11-17
3
REPLACING THE BATTERY
Servicing of batteries should be
performed or supervised by
personnel knowledgeable about
batteries and required precautions.
When replacing batteries, replace
with the same type and size battery.
CAUTION:
Do not dispose of
batteries in a fire. The batteries may
explode.
CAUTION:
Do not open or mutilate
batteries. Released electrolyte is
harmful to the skin and eyes. It is
toxic.
This product is designed for IT
power systems with 230V.
1. Opening the PSP outer
case
Turn off all connected loads, then
turn off the UPS and unplug the
input power cord. (Batteries are
NOT hot-swappable.)
Carefully lay the UPS on its left
side, as shown in the illustration
to the right.
Use a #1 Phillips head
screwdriver to remove the four
screws from the right-side cover,
then pull up the right-side cover
and remove it.
2. Removing the old battery
CAUTION:
Risk of electric
shock.
Remove the black wire from the
negative (-) terminal and the red
wire from the positive (+)
terminal.
Gently remove the battery from
the UPS.
3. Connecting the
replacement battery
Verify that the replacement
battery matches the dimensions
and battery specifications.
Connect the PSP battery leads to
the new battery. Be sure to
reconnect the red wire to the
positive (+) terminal and the black
wire to the negative (-)terminal.
NOTE:
Small sparks may occur
at the battery connectors during
reconnection. Take care not to
short-circuit the positive and
negative battery terminals while
replacing the battery.
Place the battery in the UPS.
4. Reassembling the PSP
outer case
Ensure correct alignment of
front panel, then reattach the
right-side cover.
Evenly tighten the four screws
from Step 1. (DO NOT
overtighten the screws.)
Dispose of the old battery
properly at an appropriate
recycling facility.
TROUBLESHOOTING
FAULT
POSSIBLE CAUSES
SOLUTIONS
Mains is normal, but LED 1 is not
illuminated.
The UPS may not be turned on.
The power cord may not be connected
properly.
The upstream mains circuit breaker may be
tripped.
• Press the On/Off button to turn on
the UPS.
• Connect the power cord securely into
a wall socket.
• Reset the circuit breaker.
LED 1 flashes (green) every 3 seconds,
but there is no output power.
Battery voltage may be too low.
• Recharge the UPS for 8 hours.
Alarm buzzer beeps continuously
although mains is normal.
The UPS may be overloaded (check LED 2).
• Disconnect some equipment from
the UPS.
UPS does not provide expected
backup time.
The UPS battery reached end of life.
• Replace the internal battery.
The UPS is on and connected to
mains, but fails to operate properly.
Mains power may be outside the unit’s
operating range.
• If mains is normal, try reconnecting
mains and restarting the UPS.
If the UPS detects a fault, consult the table below for possible causes and solutions. For further assistance, please
contact your local Vertiv representative.
