Abnormal Outdoor Unit Discrimination Method By Fan Operating Function; Pulse Motor Valve (Pmv) Forced Open Fully/Close Fully Function In Outdoor Unit - Toshiba MMY-MAP1404 Series Quick Reference

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Indoor Unit from Outdoor Unit (continue)

Abnormal Outdoor Unit Discrimination Method By Fan Operating Function

This function is provided to forcedly operate the fan of the outdoor unit in which an error occurred or the fan of the
normal outdoor unit by the switch operation on the interface P.C. board in the header unit.
To specify which one of the follower units connected to the system was faulty, use this function for the system stop
due to a follower unit fault (Check code [E28]).
[Operation]
<In case to operate the fan in the erroneous outdoor unit only>
(1) Check that the switches
(2) Push the push-switch
(3) [E 1] is displayed on 7-segment display [A].
(4) The fan of the outdoor unit in which error occurred starts operation within approx. 10 seconds after
displayed.
<In case to operate the fans in all the normal outdoor units>
(1) Check that the switches
(2) Push the push-switches
(3) [E 0] is displayed on 7-segment display [A].
(4) The fans of all the normal outdoor units start operation with the Max. fan speed within approx. 10 seconds after
[E 0] was displayed.
[Release]
Push the push-switch
The outdoor fan which was operated stops.
* Check that [U. 1] is displayed on 7-segment display [A], and then finish the work.

Pulse Motor Valve (PMV) Forced Open Fully/Close fully Function in Outdoor Unit

This function is provided to forcedly open or close fully P.M.V. (PMV1/PMV2, PMV4) used in the outdoor unit for 2
minutes.
[PMV1/PMV2 Open fully]
On the interface board of the outdoor unit, set the dip switch
shortcircuit CN30.
[PMV1/PMV2 Close fully]
On the interface board of the outdoor unit, set the dip switch
shortcircuit CN31.
[PMV4 Open fully]
On the interface board of the outdoor unit, set the dip switch
shortcircuit CN30.
[PMV4 Close fully]
On the interface board of the outdoor unit, set the dip switch
shortcircuit CN31.
[Clear]
For both open fully and close fully, after 2 minutes, the opening returns to the normal opening.
Be sure to remove the cord used for short-circuit after confirmation, and set the dip switch
and [SW12 • bit2] to [OFF].
SW01/SW02/SW03
7-segment display
[A]
Outdoor unit No.
SW04 for 2 seconds or more.
SW01/SW02/SW03
SW04 and SW05 at the same time for 2 seconds or more.
SW05 on the interface P.C. board in the header unit for 2 seconds or more.
on the interface P.C. board in the header unit are set to [1/1/1].
[B]
Error code display
on the interface P.C. board in the header unit are set to [1/1/1].
[SW12 • bit1] to [OFF],
[SW12 • bit1] to [OFF],
[SW12 • bit1] to [OFF],
[SW12 • bit1] to [OFF],
[E 1] was
[SW12 • bit2] to [OFF], and
[SW12 • bit2] to [OFF], and
[SW12 • bit2] to [ON], and
[SW12 • bit2] to [ON], and
[SW12 • bit1] to [OFF]