Panasonic KV-S2065L Service Manual page 73

Error Code
F52 Skew ( R ) Sensor Error
F53 Skew ( L ) Sensor Error
Possible Cause
73
Check Point
Remove any dust on the LED on the
WAITING LED Board, or on the light receptor
on the WAITING SENSOR Board
Check that the LED on the WAITING
Board, the light receptor on the WAITING
SENSOR Board and the slot location on
carrier board are properly aligned
Check the WAITING LED Board Cable
Check the RELAY ( LOWER ) Board
Check the Waiting Sensor Cable
Check the RELAY ( UPPER ) Board
Replace the WAITING LED Board
Replace the WAITING SENSOR Board
Replace the RELAY ( LOWER ) Board
Replace the RELAY ( UPPER ) Board
Replace the MOTHER Board
Replace the MAIN CONTROL Board
Check the Starting Position Sensor
Replace the STARTING POSITION
Board
Remove any dust on the LED on the
WAITING LED Board, or on the light receptor
on the WAITING SENSOR Board
Check that the LED on the WAITING
Board, the light receptor on the WAITING
SENSOR Board and the slot location on
carrier board are properly aligned
Check the WAITING LED Board Cable
Check the RELAY ( LOWER ) Board
Check the Waiting Sensor Cable
Check the RELAY ( UPPER ) Board
Replace the WAITING LED Board
Replace the WAITING SENSOR Board
Replace the RELAY ( LOWER ) Board
Replace the RELAY ( UPPER ) Board
Replace the MOTHER Board
Replace the MAIN CONTROL Board
Check the Starting Position Sensor
Replace the STARTING POSITION
Board