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TROUBLESHOOTING
Line Fault:
If the DUAL48M says “Line Fault” when no stations are running, the most likely cause is a direct short between the two wires in
the two wire path (red and blue). If the Line Fault message only appears when a station is turned on, the problem is most likely a short in the
decoder-to-solenoid wiring for the affected stations.
ICore Display DUAL48M display in Standby Cause Corrective Action
Fault, no station Line Open:
Current draw too low on standby
Two-wire path disconnected Check connections to two wire path
Line Fault:
Current draw too high on standby
Short in two-wire path
Too many decoders (more
than 48) in two-wire path
Check two-wire path (red and blue must
not touch)
Verify number of decoders in two-wire path
Fault with station
numbers
DUAL48M display with
Active Station
Cause Corrective Action
Current Draw for station too low
(station number will blink slowly) *
Decoder not programmed
Decoder missing, damaged,
or disconnected
Solenoid missing,
damaged, or disconnected
Program decoder address
Repair/replace decoder or connections
Repair or replace solenoid or decoder-to-
solenoid wiring
Current Draw for station too
high (Line Fault will appear when
station is running)
Shorted solenoid or
solenoid wiring
Multiple decoders with
same address
Too many solenoids
connected
Repair/replace solenoid or decoder-to-
solenoid wiring
Remove duplicate addresses
Remove excess solenoids
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