[
X
Troubleshooting ]
- 166 -
HWE10190
GB
1. Error
Code
MA remote controller signal transmission error (Synchronization error)
2. Error
definition and error detection method
MA remote controller and the indoor unit is not done properly.
Failure to detect opening in the transmission path and unable to send signals
∗
Indoor unit : 3 minutes
∗
Remote controller : 6 seconds
3. Cause
1) Contact failure of the remote controller lines of MA remote controller or the indoor unit
2) 2 or more remote controllers are set to MAIN
3) Overlapped indoor unit address
4) Noise interference on the remote controller lines
5) Failure to meet wiring regulations
Wire length
Wire size
Number of remote controllers
Number of indoor units
6) Problems with the circuit on the remote controller that sends or receives the signals from the remote controller
4. Check method and remedy
1) Check for disconnected or loose transmission lines for the indoor units or MA remote controllers.
2) Confirm that the power is supplied to the main power source and the remote controller line.
3) Confirm that MA remote controller's capacity limit is not exceeded.
4) Check the sub/main setting of the MA remote controllers.One of them must be set to MAIN.
5) Diagnose the remote controller (described in the remote controller installation manual).
[OK]: no problems with the remote controller (check the wiring regulations)
[NG]: Replace the MA remote controller.
[6832, 6833, ERC]: Due to noise interference <Go to 6)>
6) Check wave shape/noise on MA remote controller line by following "X [3] Investigation of Transmission Wave Shape/
Noise".(page 189)
7) When no problems are found with items 1) through 6), replace the indoor unit board or the MA remote controller.
The following status can be confirmed on LED1 and 2 on the indoor unit board.
If LED1 is lit, the main power source of the indoor unit is turned on.
If LED2 is lit, the MA remote controller line is being powered.
6832
0000002115.book 166 ページ 2011年6月4日 土曜日 午前10時48分
Содержание PUHY-P250YJM-A
Страница 1: ......
Страница 11: ... 2 HWE10190 GB ...
Страница 25: ... 16 HWE10190 GB ...
Страница 45: ... II Restrictions 36 HWE10190 GB ...
Страница 47: ... 38 HWE10190 GB ...
Страница 57: ... 48 HWE10190 GB ...
Страница 69: ... IV Indoor Unit Components 60 HWE10190 GB ...
Страница 71: ... 62 HWE10190 GB ...
Страница 73: ... V Remote Controller 64 HWE10190 GB ...
Страница 75: ... 66 HWE10190 GB ...
Страница 82: ... 73 HWE10190 GB VII Refrigerant Circuit 1 Refrigerant Circuit Diagram 75 2 Principal Parts and Functions 78 ...
Страница 83: ... 74 HWE10190 GB ...
Страница 91: ... VII Refrigerant Circuit 82 HWE10190 GB ...
Страница 93: ... 84 HWE10190 GB ...
Страница 115: ... VIII Control 106 HWE10190 GB ...
Страница 117: ... 108 HWE10190 GB ...
Страница 137: ... 128 HWE10190 GB ...
Страница 225: ... X Troubleshooting 216 HWE10190 GB ...
Страница 226: ... 217 HWE10190 GB XI LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 219 ...
Страница 227: ... 218 HWE10190 GB ...
Страница 272: ......