Y Encoder Failure; Encoder Connection - Kodak Point-of-Care CR 120 System Troubleshooting Manual

"Y Encoder failure"

Scenario
The Rotation motor was commanded to rotate but no pulses were detected from the Encoder.
Hardware and Software Response
• Ejects the cassette immediately with the screen still inside the casette when it is in Auto Scan and after pushing
Scan button in manual scan.
• If error occurred during a scan, the image that was acquired before the breakdown will be saved.
• Error message "Linear Motor stopped" appears.
• The CR Reader will not start scanning until the problem is fixed.
Fix
User response
[1] Reset the CR Reader by turning it OFF and ON.
[2] Does the error repeat?
Yes
Contact Service
Service Response
[1] Remove the CR Reader cover.
[2] Turn OFF/ON the CR Reader.
[3] Go to Settings>Diagnostic tab and click on Rotation Motor "On" button.
[4] Does the Rotation Motor spin?
Yes
a. Check Y encoder
connection to the
laser board as
shown in the figure
below.
b. Replace the Laser
Board
c. Check again from
Diagnostic screen

Encoder Connection

AT000115-02
Continue using the CR Reader.
a. Check the Fuse 2A.
b. Check the flex cable connector between the Laser board and the Motion board.
c. Check voltage on Pin 6 to verify constant 1.4 V to 1.8 V.
d. Check the Motor Driver connector -Pin 1 as shown in the picture below.
e. Check that the voltage in Pin 1 and Pin 3 are 12 V while operating the Rotation motor.
Yes
a. Scan a demo cassette.
b. Check again from Diagnostic screen
No
No
Check if Power Supply is producing 12 V
according to PS test. (See
CR Reader" on Page 33
Hardware Error Messages
No
"No Power in the
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