– 75 –
6-3. Troubleshooting based on information displayed on
remote controller
Using main remote controller (RBC-AMT32E)
(1) Checking and testing
When a fault occurs to an air conditioner, a check
code and indoor unit No. are displayed on the
display window of the remote controller.
Check codes are only displayed while the air
conditioner is in operation.
If the display has already disappeared, access
error history by following the procedure described
below.
(2) Error history
The error history access procedure is described below (up to four errors stored in memory).
Error history can be accessed regardless of whether the air conditioner is in operation or shut down.
<Procedure>
To be performed when system at rest
1
Invoke the SERVICE CHECK mode by pressing the
+
buttons simultaneously and holding for at least 4
seconds.
The letters “
SERVICE CHECK” light up, and the check code
“01” is displayed, indicating the error history. This is
accompanied by the indoor unit No. to which the error history is
related and a check code.
2
To check other error history items, press the
button to select another check code.
Check code “01” (latest)
Check code “04” (oldest)
Note: Error history contains four items.
3
When the
button is pushed, normal display is
restored.
REQUIREMENT
Do not push the
button as it would erase the whole error history of the indoor unit.
How to read displayed information
Check code
Indoor unit No. in which
fault has occurred
Normal display is restored.
Steps to follow
<7-segment display symbols>
<Corresponding alphanumerical letters>
Summary of Contents for MMC-AP0154H-E(-TR)
Page 145: ... 145 ...
Page 149: ... 149 9 2 1 Way cassette type SH 4 2 0 P A 8 1 0 P A 5 1 0 P A ...
Page 156: ... 156 MMU AP0056MH ...
Page 159: ... 159 9 4 Slim duct type MMD AP0054SPH AP0074SPH AP0094SPH AP0124SPH AP0154SPH AP0184SPH ...
Page 162: ... 162 MMD AP0056MH ...
Page 165: ... 165 9 5 Concealed duct standard type MMD AP0074BH AP0094BH AP0124BH AP0154BH AP0184BH ...
Page 166: ... 166 ...
Page 169: ... 169 MMD AP0244BH AP0274BH AP0304BH AP0364BH AP0484BH ...
Page 170: ... 170 ...
Page 173: ... 173 MMD AP0564BH ...
Page 174: ... 174 ...
Page 177: ... 177 E Parts ...
Page 179: ... 179 9 6 Concealed duct high static pressure type MMD AP0184H AP0244H AP0274H AP0364H AP0484H ...
Page 183: ... 183 MMD AP0724H AP0964H ...
Page 184: ... 184 ...
Page 187: ... 187 9 7 Ceiling type MMC AP0154H AP0184H AP0244H AP0274H ...
Page 190: ... 190 MMC AP0364H AP0484H ...
Page 194: ... 194 9 8 Floor standing type MMF AP0154H AP0184H AP0244H AP0274H ...
Page 195: ... 195 MMF AP0154H AP0184H AP0244H AP0274H ...
Page 198: ... 198 MMF AP0364H AP0484H AP0564H ...
Page 199: ... 199 MMF AP0364H AP0484H AP0564H ...
Page 203: ... 203 9 9 Floor standing concealed type MML AP0074BH AP0094BH AP0124BH AP0154BH AP0184BH ...
Page 206: ... 206 MML AP0244BH ...
Page 209: ... 209 9 10 Floor standing cabinet type MML AP0074H AP0094H AP0124H AP0154H AP0184H ...
Page 210: ... 210 MML AP0074H AP0094H AP0124H AP0154H AP0184H ...
Page 213: ... 213 MML AP0244H ...
Page 214: ... 214 MML AP0244H ...