Toshiba RAV-RM2801DTP Series Service Manual page 70

9-1-2. Forced Defrost Setup of Remote Controller (For wired remote controller only)
(Preparation in advance)
1
TEST
SET CL
Push + +
(Push buttons while the air conditioner stops.)
The first displayed unit No. is the master indoor unit address in the group control.
2
UNIT
Every pushing
other.
Select a main indoor unit (outdoor unit is connected) which is to be defrosted.
In this time, fan of the selected indoor unit operate.
3
Using the set temperature
4
Using the timer time
5
SET
Push button. (OK if indication lights)
6
TEST
Pushing button returns the status to the normal stop status.
(Practical operation)
ON / OFF
• Push ON/OFF
• Select the HEAT mode.
• After a while, the forced defrost signal is sent to the outdoor unit and then the outdoor unit starts
defrost operation. (The forced defrost operation is performed for Max. 12 minutes.)
• After defrost operation finished, the operation returns to the heating operation.
To execute the defrost operation again, start procedure from above item 1 .
(If the forced defrost operation was executed once, setting of the above forced defrost operation is cleared.)
9-1-3. LED Display on Indoor P.C. Board
1. D501 (Red)
• Goes on at the same time when power was turned on (Main microcomputer operates and goes on.)
• Flashes with 1-second interval (every 500ms): When EEPROM is not provided or writing was trouble.
• Flashes with 10-seconds interval (every 5S): When the mode is DISP
2. D403 (Red)
• Goes on when power is supplied to remote controller (Lights on the hardware)
buttons simultaneously for 4 seconds or more on the remote controller.
button, the indoor unit No. in the group control is displayed one after the
TEMP.
buttons, specify the CODE No. (DN) 8C.
TIME
buttons, set time to data 0001. (0000 at shipment)
Key.
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