Toshiba MCY-MHP0305HT-C Service Manual page 71

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 error is being detected is displayed on
7-segment display [B]. If there are multiple indoor
address in which error 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
SW04
D600 D601 D602 D603 D604
SW06 SW07 SW09 SW10
SW01
SW11 SW12 SW13 SW14
SW16 SW17
SW30
(7-segment display)
Cooling
.
.
Heating
(7-segment display)
No. of misconnected
. .
indoor units
(7-segment display)
Address display of
. .
(7-segment display)
.
SW05 SW15
Push switch
SW02 SW03
7-segment
display [A]
70
93
Operation
This check operation
requires 15 minutes
even if there is no
misconnection or there
is any misconnection.
misconnected
indoor unit
– – –
Push switch
SW04 SW05 SW15
7-segment
display [B]
D600 D601 D602 D603 D604
SW01 SW02 SW03
Rotary switches