
[8-9 Troubleshooting Problems with Major Components on BC Controller ]
- 327 -
HWE1314A
GB
8
Trou
ble
sho
oting
Bas
ed
on
Obse
rved
Sy
mpto
ms
1) BC controller: Phenomena when the pressure sensor is connected wrongly (reverse connection of P1 and P3) to the board.
2) Check the self-diagnosis switch (Outdoor control board SW4 (SW6-10:OFF)).
3) Check whether CNP1 (liquid side) connector on the BC controller control board and the connector CNP2 (intermediate part)
are not disconnected or not loose.
4) Check the pressure value on the self-diagnosis switch (same as note 2) with the connector of the applied pressure sensor is
disconnected from the board.
Cooling-only
Heating only
Heating main
Non-cooling
Indoor heating SC small
Heating indoor Thermo ON
Especially noise is large.
Indoor heating SC small
Heating indoor Thermo ON
Especially noise is large.
Cooling-main
Symptoms
SC11 large
SC16 small
PHM large
SC11 large
SC16 small
PHM large
Non-cooling
Normal
SC11 large
SC16 small
PHM large
For how to read the SW settings, refer to the following page(s). [9-1-1 How to Read the LED](page 385)
Measurement data
SW4 setting value
Outdoor high pressure
Outdoor low pressure
BC controller pressure
(liquid side)
BC controller pressure
(intermediate part)
Symbol
63HS1
PS1
63LS
PS3
ON
1 2 3 4
5
6 7
8 9 10 OFF
ON
1 2 3 4
5
6 7
8 9 10 OFF
ON
1 2 3 4
5
6 7
8 9 10 OFF
ON
1 2 3 4
5
6 7
8 9 10 OFF
Содержание PURY-EP200YLM-A
Страница 9: ...viii ...
Страница 13: ... 2 HWE1314A GB ...
Страница 29: ... 1 5 Cautionary notes on installation environment and maintenance 18 HWE1314A GB ...
Страница 31: ... 20 HWE1314A GB ...
Страница 44: ... 2 6 System Connection Example 33 HWE1314A GB 2 Restrictions ...
Страница 58: ... 2 7 Example System with an MA Remote Controller 47 47 HWE1314A GB 2 Restrictions ...
Страница 77: ... 66 HWE1314A GB ...
Страница 105: ... 94 HWE1314A GB ...
Страница 125: ... 4 6 BC Controller Circuit Board Components 114 HWE1314A GB 4 6 2 Four Relay Board 4 6 3 Ten Relay Board ...
Страница 137: ... 126 HWE1314A GB ...
Страница 171: ... 160 HWE1314A GB ...
Страница 227: ... 6 11 Standard Operation Data Reference Data 216 HWE1314A GB ...
Страница 230: ... 219 HWE1314A GB 7 9 9 Error Code 7113 292 7 9 10 Error Code 7117 293 7 9 11 Error Code 7130 294 ...
Страница 231: ... 220 HWE1314A GB ...
Страница 393: ... 8 16 Troubleshooting Problems Using the LED Status Indicators on the Outdoor Unit 382 HWE1314A GB ...
Страница 395: ... 384 HWE1314A GB ...