Toshiba MMY-SAP0806HT8P-E Service Manual page 141

Check code
Outdoor 7-segment display
Main
remote
Check
Sub-code
controller
code
E18 – –
00:
No outdoor unit
E19 E19
01:
Connection of outdoor unit
from other line
E20 E20
02:
Connection of indoor unit
from other line
Location
of Description System status
detection
Trouble in
Indoor Stop of
unit communication corresponding
between indoor unit
header and
follower units
Trouble in
I/F All stop
number of
outdoor unit
I/F Connection to All stop
other line found
during
automatic
address setting
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Check code detection
Check items (locations)
condition(s)
Periodic communication • Check remote controller
between indoor header and wiring.
follower units cannot be • Check indoor power supply
maintained. wiring.
• Check P.C. boards of
indoor units.
There is no outdoor unit in
• Check connection of
one line.
indoor-outdoor
communication line.
• Check for trouble in outdoor
P.C. board (I/F).
Equipment from other line is Disconnect inter-line tie cable
found to have been in accordance with automatic
connected when indoor address setting method
automatic address setting is explained in "Address
in progress. setting" section.