Description: Faulty memory counter
• It is determined that the life counter value is faulty when the parameter chip data is read as the Power Switch is turned ON.
Remedy: 1 Unplug the power cord and plug it in, then turn OFF and ON the Power Switch. 2 Check Parameter Chip (PJ26) on PWB-A for proper connection and correct as necessary. 3 Change PWB-A. 4 Change Parameter Chip.
Code: 2AH
Description: Faulty memory data
• It is determined that the parameter chip data is faulty when read.
Remedy: 1 Unplug the power cord and plug it in, then turn OFF and ON the Power Switch. 2 Check Parameter Chip (PJ26) on PWB-A for proper connection and correct as necessary. 3 Change PWB-A. 4 Change Parameter Chip.
Code: 2BH
Description: Memory access failure
• It is determined that there is a parameter chip data access failure.
Remedy: 1 Unplug the power cord and plug it in, then turn OFF and ON the Power Switch. 2 Check Parameter Chip (PJ26) on PWB-A for proper connection and correct as necessary. 3 Change PWB-A. 4 Change Parameter Chip.
Code: 2CH
Description: Memory mounting failure
• Mounting of the parameter chip on the Mechanical Control Board is faulty.
Remedy: 1 Unplug the power cord and plug it in, then turn OFF and ON the Power Switch. 2 Check Parameter Chip (PJ26) on PWB-A for proper connection and correct as necessary. 3 Change PWB-A. 4 Change Parameter Chip.