Toshiba MMY-SAP0806HT8P-E Service Manual page 106

(3) On rotation of outdoor fan
Outdoor fan may rotate slowly to control pressure when cooling with low outer air temperature or heating with
excessive load. For control content, also refer to items in Section 5, "Control Outline: Outdoor Unit, Outdoor Fan
Control."
A
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
(7-segment display)
[A] [B]
Cooling [ C ] [ CC ]
Heating [ H ] [ HH ]
(7-segment display)
[A] [B]
[ ] [ # # P]
No. of misconnected
C or H
indoor units
(7-segment display)
[A] [B]
[ ] [ # # ]
Address display
C or H
of misconnected
indoor unit
(7-segment display)
[A] [B]
[U1] [ ]
7-segment display [A]
SW04
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.
7-segment display [B]
SW05
SW03