Toshiba Super MMU-AP0091H Service Manual page 146

Check code
Main Outdoor 7-segment display
remote
Check code Sub-code
controller
P26 P26 01: Compressor 1 side
02: Compressor 2 side
P29 P29 01: Compressor 1 side
02: Compressor 2 side
P31 — —
Detected
AI-NET Check code name
position
central control
remote controller
14 IPDU G-Tr short-circuit
protection error
16 IPDU Compressor
position detection
circuit error
47 Indoor Other indoor error
(Group follower
unit error)
Status Error detection condition
All stop Instantaneous over-current
was detected when compres-
sor started.
All stop Position was not normally
detected.
Corresponding E07/L07/L03/L08 was
unit only stops. detected when other indoor
unit in the group was defective.
Check item (position)
• Check connector connection and wiring on IPDU P .C. board.
• Check compressor error and defect of compressor coil.
• Check outdoor P .C. board (IPDU) error.
• Check connector connection and wiring.
• Check compressor error and defect of compressor coil.
• Check P .C. board (IPDU) error.
• Check indoor P .C. board.