Powerhouse PH2400PRi/E - Page 45

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Identifying Trouble During Parallel Operation
CONDITION CAUSE CORRECTION
One or more
generators
are
overloaded.
The alert "OVER" is
displayed on the LCD of
one or both generators.
Additional conditions:
• There is no power
output.
• Both generators are
running at an idle.
• The LCD on the
parallel kit is not
illuminated.
Excess Power Load:
The appliance
load (wattage)
has exceeded the
combined power
output of both
generators.
Correct the excess power load:
1. Turn o any appliance connected to the parallel
kit or the generators.
2. Press and hold the green reset button on each
generator for 3 seconds. The LCDs on both
generators and the parallel kit illuminate and
display voltage when the parallel kit is ready for
use. If the LCD does not illuminate, shutdown and
restart the generators.
3. Turn appliances back on.
NOTE: If the reset button is pushed without correcting
the cause for the overload, the system will try to reset
briey but the units will again stop producing power.
CAUTION: Repeatedly pressing the reset button
without correcting the overload condition may cause
permanent damage to the generators and/or the
parallel kit.
Electrical Short:
There is a short in the
appliance, or in one
or both generators.
Correct the electrical short:
1. Turn o any appliance connected to the parallel
kit or the generators.
2. Shut down both generators.
3. Check appliances and/or generators for a short.
Repair or replace as needed.
4. Restart both generators. The LCDs on both
generators and the parallel kit illuminate and
display voltage when the parallel kit is ready for
use.
5. Turn appliances back on.
Not enough
power
output.
Combined power output
is less than expected.
Additional conditions:
• Generators are
running at dierent
speeds. For example,
one at high speed;
one at slow speed.
• There is no power
output.
There is a loose
or disconnected
parallel power
cable.
Verify and x the connections:
1. Turn o any appliance connected to the parallel
kit or the generators.
2. Conrm and x the secure connection of each
power cable from the parallel kit to the power
port on each generator.
3. Press and hold the green reset button on each
generator for 3 seconds. The LCDs on both
generators and the parallel kit illuminate and
display voltage when the parallel kit is ready for
use. If the LCD does not illuminate, shutdown and
restart the generators.
4. Turn appliances back on.
No power
output at the
parallel kit.
The LCD on the parallel
kit is not illuminated.
The generators are
producing voltage
and the LCDs on
both generators are
illuminated.
The alert "OVER" is
displayed on the LCD of
one or both generators.
An excessive load is
connected to either
the 20A or 30A
receptacle on the
parallel kit.
1. Remove or reduce excessive loads.
2. Check and reset the circuit breakers on the
parallel kit.
The LCDs on both generators and the parallel kit
illuminate and display voltage when the parallel kit is
ready for use.
If the LCD does not illuminate, shutdown and restart
the generators.