Toshiba SUPER MMK-AP0073H (IN) Service Manual page 59

7-3. Troubleshooting by Check Display on Remote Controller
7-3-1. In Case of Main Remote Controller (RBC-AMT32E)
1. Confirmation and check
When a trouble occurred on the air conditioner, the
check code and the indoor unit No. are displayed
on the display section of the remote controller.
The check code is displayed while the air condi-
tioner operates.
If the display disappeared, operate the air condi-
tioner and check the error based upon the following
"Confirmation of error history".
2. Confirmation of error history
When a trouble occurred on the air conditioner, the
error history can be confirmed with the following
procedure.
(Up to 4 error histories are stored in memory.)
This history can be confirmed from either operating
status or stop status.
Procedure
When pushing
If [ Service Check] is displayed, the mode enters in the error history mode.
• [01: Error history order] is displayed in CODE No. window.
1
• [Check Code] is displayed in check code window.
• [Indoor unit address with error] is displayed in UNIT No.
Every pushing temp. set
The numbers in CODE No. indicates CODE No. [01] (Latest) to [04] (Oldest).
2
CAUTION
Do not push
3
After confirmation, push
How to read the check monitor display
<7-segment display>
<How to read>
0 1 2 3
SET TEST
and buttons simultaneously for 4 seconds or more, the below display appears.
/ buttons, the error histories stored in the memory are displayed in order.
CL
button because all the error histories of the indoor unit will be deleted.
TEST
button to return to the usual display.
4 5 6 7 8
Check code
TEMP.
2
FILTER
RESET
3
Description
9 A b C d
59
Indoor unit No. in which
an error occurred
ON / OFF
TIMER SET FAN MODE
TIME SAVE VENT
TEST SET CL SWING/FIX UNIT LOUVER
E F H J
1
L P