Code 25 - auxiliary #1 circuit - disconnected, Code 26 - auxiliary #2 - short circuit, Code 25 - auxiliary #1 circuit - disconnected -21 – JLG SSV10 Service Manual User Manual

Page 113: Code 26 - auxiliary #2 - short circuit -21, Seetable 6-26, Ge 6-21, See table 6-27, 21 code 26 - auxiliary #2 - short circuit