FAULT INDICATOR GUIDE
Control Panel Indication
Fault Condition
Solution
SYSTEM SHUTDOWN
PS_FAULT SHUTDOWN
DC-DC SHUTDOWN
Output overloaded or
system hardware
fault.
Ensure all loads are disconnected. Try to
reset the unit by switching to 'O' and back
to 'I'. If unit still does not operate, contact
Iris Technology for service warranty
replacement.
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 24VDC POS/NEG
input cables reversal or
significant circuit
overload.
Have qualified electronics maintenance
technician check the fuse (see page 26).
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