Toshiba MMW-AP0481CHQ-E Service Manual page 64

Check code
Outdoor 7-segment display
Main
remote
Check
controller Sub-code
code
01: Compressor 1 side
02: Compressor 2 side
P26 P26
01: Compressor 1 side
02: Compressor 2 side
P29 P29
P31 — —
Location
Description
of
detection
IPDU IPM shortcircuit
protection trouble
IPDU Compressor
position detection
circuit trouble
Indoor unit Other indoor
trouble
(group follower
unit trouble)
Check code detection
System status
condition(s)
All stop Overcurrent is
momentarily detected
during startup of
compressor.
All stop Position detection is not
going on normally.
Stop of There is trouble in other
corresponding indoor unit in group,
unit resulting in detection of
E07/L07/L03/L08.
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Check items (locations)
• Check connector connection and
wiring on A3-IPDU P.C. board.
• Check for trouble in compressor
(layer shortcircuit).
• Check for trouble in outdoor P.C.
board (A3-IPDU).
• Check wiring and connector
connection.
• Check for compressor layer short-
circuit.
• Check for trouble in A3-IPDU P.C.
board.
• Check indoor P.C. board.