Yamaha RCX221 User Manual page 458

[22] Major hardware errors
22.43 : OPT.3 interface overtime
Chapter
9
22.44 : OPT.4 interface overtime
22.45 : DRIVER interface overtime
9-52
Code : &H162B
Meaning/Cause : 1. Failed to acquire access privilege for interface with option
board connected to option slot 3.
Action : 1. Replace the option board connected to option slot 3.
: 2. Replace the controller.
Dedicated output : *1
Code : &H162C
Meaning/Cause : 1. Failed to acquire access privilege for interface with option
board connected to option slot 4.
Action : 1. Replace the option board connected to option slot 4.
: 2. Replace the controller.
Dedicated output : *1
Code : &H162D
Meaning/Cause : 1. Failed to acquire access privilege for interface with driver.
Action : 1. Replace the driver.
2. Replace the controller.
Dedicated output : *1