Troubleshooting Chart - PD Technology 350 Instruction Manual

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Troubleshooting Chart

If the unit fails to operate properly, turn off the unit and repeat the steps in the Installation
section of this manual. If the problem persists, refer to the chart below:
Problem
Unit
will not
start
Unit starts on
battery, but
will not switch
to AC
Unit shuts
down, Fault
Indicator Lit
Unit not
providing
expected
back-up time
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Cause
Overload/
Short circuit
Battery disconnected or
is completely
discharged
Unit not plugged in
Circuit protector
tripped
Power not available at
mains receptacle
Input voltage
below threshold
AC Overvoltage
Overload/
Short circuit
Internal UPS fault
High temp shutdown
Overload
Battery not charged
due to a recent outage
Battery needs to be
replaced
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Solution
Check the circuit protector on the rear of the unit.
If it is tripped, reset it and restart the unit.
For further help, contact PDT.
Check for proper connection of battery or
batteries.
Plug in the power cord securely.
Reset the circuit protector and restart the unit.
Have the mains checked by a qualified
electrician.
Wait until the voltage rises to an appropriate level
or have the mains checked by a qualified
electrician.
Wait until voltage lowers to an appropriate level
or have the mains checked by a qualified
electrician.
Check the circuit protector on the rear of the unit.
If it is tripped, reset it and restart the unit. If the
problem persists, disconnect some of the
equipment from your unit – the total wattage of
your equipment must not exceed the capacity of
the unit.
For further help, contact PDT.
Make sure that the unit is operating in a 0°C to
40°C (32°F to 104°F) environment and that it has
adequate ventilation.
Reduce load.
Recharge battery.
Replace battery.
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