Xtant M Series - Manual (Page 19)

18
TroubleShooting
DIAGNOSTIC LED’
S
The Red LED indicates that the amplifier is on.
The Yellow LED indicates that an over-current condition (low imped-
ance) exist and will turn the amp’s output power down to maintain unin-
terrupted operation. The Yellow LED will light if a speaker load falls
below the M Series’ 2
Ω
rating and/or a speaker lead / speaker voice coil
is shorted.
The Orange LED indicates that an over-heating condition exists and will
turn the amp’s output power down to maintain uninterrupted operation.
The Orange LED will light if the heatsink temperature exceeds rated
spec due to poor ventilation.
Symptom/Condition Cause Solution
Red LED not on. No Sound. Loss of 12V Power at Amplifier Check out-board fusing
Check +/– 12 Volt connections
Measure for + 12 Volts or higher
@ amp. Check Turn-On lead
Red LED on. No Sound. No Input Signal Check integrity of RCA cables
Check connection at amp and
head unit.
Red LED on. No Sound. Loose Speaker Wires Check integrity of speaker
connection at amp and speakers.
Red LED on. No Sound. Lack of Turn-On Voltage Voltage @ Turn-On lead needs
to be 8 Volt minimum
Red LED on. No Sound. Missing Accessory Port Jumper Check Port Jumpers, two jumpers
per port are required. Check
jumper alignment, jumper must
be seated properly.
Red LED on. No Sound. Accessory module is not Be sure “key” on module connector
installed properly and port are aligned when
installing module. Reseat module
to insure proper connection.
Alternator/System Noise Induced noise / ground loop “Enable” Balanced Input