INDEX
22
X4 | SERVICE MANUAL
8. Symptoms & Faults Visible from Front LED Configuration
8.1 On Audio Modules
Solid ON YELLOW Centre LED: User Limiter - Set by the user
Thermal Limiter / Limiter issues
Pulsing YELLOW Centre LED: CH Thermal Protection ON (70°)
Unplug the Unit’s Input and Output Connectors
Thermal Limiter ON
Pulsing YELLOW/RED Centre LEDs: CH Thermal Protection ON (85°)
Unplug the Unit’s Input and Output Connectors
Thermal Limiter ON
Pulsing RED Centre LED + Channel status Ring LED: Channel Protection Enabled
Unplug the Unit’s Input and Output Connectors
8.2 On Power Supply Module
Faults in the Power Supply
AMP OFF: All LEDs are off (GREY)
Check the Connection to the Mains, whether Single, Dual, or Three Phase.
AMP ON (Standby): Central LED pulses WHITE
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