Alarm Clear Function; Clearing Of Check Code On Remote Controller; Clearing The Interface Pc Board Of The Inverter Outdoor Unit - Toshiba HFCR407C Service Manual

Alarm clear function

1) Clearing of check code on remote controller

This function releases ALL STOP lock status of the outdoor units (whole system) connected with the indoor unit, and
restarts the operation. (
CHECK
button
Push "CHECK" button of the remote controller for 3 seconds or more.
(If pushing the button for 10 seconds and more, the check code is also cleared. (For that remote controller only))

2) Clearing the interface PC board of the inverter outdoor unit

It is possible to clear a detected alarm on the PC board of the inverter outdoor unit without resetting the power source, and
enables the start of operation. However, the check code stored on the remote controller is not removed and should be
removed accordingly using the remote controller. (Clearing setting in remote controller by the above item 1) or reset hole.)
Set the switches on interface PC board of the inverter outdoor unit, SW01to
2, SW02 to 16", and SW03 to 1.
Push the push-switch SW04 on interface PC board of the inverter outdoor
unit for 5 seconds or more.
18
Display on 7 segment LED [B] of interface PC board of the inverter outdoor
unit changes to CL (for 5 seconds).
Trial operation
Service support function
Restarts alarm detection.)
Remote controller
RBC – SR2 – PE
CHECK
button
Main remote controller
RBC – SR1 – PE
Also alarms in the indoor and lock alarm
are released. (However, the check code
remains in the remote controller.)
After this, alarms are detected as usual.
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SW01, 02, 03: Rotary switch
SW04, 05: Push switch
SW08: Dip switch