Miller Axcess E 300 - Diagnostic Leds on E Module Board Stack

Trouble
OM-244 814 Page 57
12-5. Diagnostic LEDs On E Module Board Stack
A. DeviceNet Communication LEDs
D7, D10, D11, D19, and D21 are off until communication is established. Once communication is established D7, D10, D11, and D19 flash on and off, and
D21 turns on steady. If any of these LEDs are off, there is a problem. Contact the nearest factory Authorized Service Agent.
LED Function Status Diagnosis
LED1
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See Section 12-6.
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LED2
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D7 DSP AWAKE Flashing Indicates DSP communicating
Off Indicates DSP not communicating
D10 ARM AWAKE Flashing Indicates ARM communicating
Off Indicates ARM not communicating
D11 ARM AUX Flashing Indicates auxiliary in use
Off Indicates auxiliary not in use
D19 AD AUX Flashing Indicates normal operation
Off Indicates problem with AD micro
D21 AD AWAKE On Indicates normal operation
Off Indicates problem with AD micro
B. DeviceNet Power Supply LEDs
D91 On (Auto Units Only − DeviceNet ext) Indicates +24 VDC is present from external DeviceNet connection
Off (Auto Units Only − DeviceNet ext) Indicates +24 VDC is off from external DeviceNet connection
D92 On Indicates +5 VDC for ISO-Int is present
Off Indicates +5 VDC for ISO-Int is not present
D96 On Indicates +24 VDC DeviceNet is present
Off Indicates +24 VDC DeviceNet is not present
D99 On (Auto Units Only − ISO ext) Indicates +5 VDC is present from external DeviceNet connection
Off (Auto Units Only − ISO ext) Indicates +5 VDC is not present from external DeviceNet connection
D103 On Indicates +40 VDC is present
Off Indicates +40 VDC is not present