67
AACB1801
Stepper
Motor Board
No lights on at all in
Capsule Unit
12 Volt power comes from
Main Unit’s power supply.
Disconnected, loose or
broken wires.
Faulty 1803 board.
Verify main unit has 12 Volt lights. Verify
12 Volt jumper cables that feed 12 volts
are connected to Capsule Unit
Check connections from LED lights to
1803 board. Replace if needed.
(AACE1815, AACE1819, AACE1820)
Replace AACB1803 board
Carousel Motor Not
Turning
Door Switch is Open
Pivot Motor Home Sensor
Inspect cables from Carou-
sel Stepper Motor to Step-
per Motor Board to 1803
board. (AACE1812,
AACB1801, AACE1813,
AAMO6901)
Faulty Stepper Motor Board
Faulty Stepper Motor
Check switch operation, inspect connec-
tions on AACE1812 cable.
Go to Diagnostics in Menu to “Module
Status Information” - If it shows “Capsule
Tree Door Opened” then replace
AACB1803 board in unit.
At power ON, pivot motor will cycle to test
home sensor. Please refer to “Motor/
Sensor self test failed at power on” section
below.
Test for 12 Volts DC at Stepper Motor
Board
Replace Stepper Motor Board (AACB1801)
Replace Stepper Motor (AAMO6901)
Carousel Motor Always
Turning or does not slow
down.
Carousel Home sensor is
blocked or faulty.
Disconnected, loose or
broken wires.
Faulty Sensor
Faulty Stepper Motor Board
Faulty Control Board
Check for 12 Volt DC between yellow and
blue wires. There is normally 0 volts
between the white and blue wires.
This will rise to 3.3 VDC when blocked.
Check connections from sensor to
AACB1800 board. Cables # AACB4401
and AACE1812
Replace AACB4401
Replace AACB1801
Replace AACB1803
CAPSULE HUB TROUBLESHOOTING GUIDE
Problem Probable Cause Remedy
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