Iris Technology Operator's Manual
QuietPower 1800 (QP-1800) Doc 287.F701 / 100412
Page 36 of 56 Rev 12 APR 2010
4.3.2 Troubleshooting Tips
Table 6 provides some troubleshooting tips.
Table 6: Troubleshooting Tips
Inverter does not operate
Dust or other foreign matter in unit or
clogged ventilation openings
Refer unit to qualified electronics
technician for internal cleaning per
section 6.
No output voltage and control panel
reading 20.4 VDC or lower
Low input voltage shutdown
Recharge battery, check connections
and cable. Turn engine on to run
alternator.
No output voltage, no voltage indication.
Inverter switched to ‘O’
No power to inverter
Reverse DC polarity connection -internal
fuse open
Turn Inverter power switch to ‘I’.
Check wiring to inverter.
Refer unit to qualified electronics
technician for fuse replacement per
section 6.
No output voltage and control panel
reading 32.0 VDC or higher
High input voltage shutdown
Make sure that the inverter is connected
to correct battery voltage, check
regulation of charging system. Turn
engine off to stop alternator.
Low battery warning on all the time,
voltage indicator below 22.0 VDC
Poor DC wiring, poor battery condition
Use proper cable and make solid
connections.
Charge battery or use new battery.
Circuit breaker trip
(Mechanical Indicator)
Circuit overload condition existed (in
excess of 15A)
Turn system off, remove load, reset
circuit breaker, and restart system. Then
reapply load.
GFCI trip
(Mechanical Indicator)
Ground fault condition occurred.
Turn system off, remove load, reset
GFCI, and restart system. Inspect AC
load wiring for any damage or moisture.
Then reapply load.
Blank control panel indications, no output
Unit may have blown fuse due to cable
reversal or significant circuit overload.
Have qualified electronics maintenance
technician check the fuse in accordance
with section 6.
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