Toshiba MCY-MHP0404HS-E Service Manual page 80

Operation start
Press the push-switch SW04 on the interface P.C.
board of the outdoor unit for 2 seconds or more. The
operation starts.
Check that 7-segment display [B] shows [CC] for
cooling and [ HH] for heating.
Confirmation of check results (1)
Check that No. of misconnected indoor units is
displayed on 7-segment display [B] after 15 minutes.
(If there is no misconnection, [00P] is displayed.)
Confirmation of check results (2)
Press the push-switch SW05 on the interface P.C. board
of the outdoor unit for 2 seconds or more. The indoor
address in which check code is being detected is displayed on
7-segment display [B]. If there are multiple indoor
address in which check code is being detected, they are
successively exchanged and displayed. (When SW05 is
turned on again, the display returns to display of No. of
units.)
After check, return the rotary switches SW01 / SW02 /
SW03 on the interface P.C. board of the outdoor unit to
[1/1/1].
Interface P.C. board
SW06 SW07
SW11 SW12 SW13
SW16 SW17
SW30
AMP Air Conditioning
SW04 SW05 SW15
D600 D601 D602 D603 D604
SW09 SW10
SW01 SW02 SW03
SW14
(7-segment display)
Cooling
.
Heating .
(7-segment display)
No. of misconnected
. .
indoor units
(7-segment display)
Address display of
. .
misconnected
indoor unit
(7-segment display)
– – –
.
Push switch
SW04 SW05
7-segment
display [A]
D600 D601 D602 D603 D604
SW01 SW02
Rotary switches
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Operation
This check operation
requires 15 minutes
even if there is no
misconnection or there
is any misconnection.
Push switch
SW15
7-segment
display [B]
SW03