Table of Contents
[ IX Troubleshooting ]
1) Check the self-diagnosis switch (Outdoor control board SW1).
Measurement data
Outdoor high pressure
Outdoor low pressure
HBC controller pressure
(liquid side)
2) Check CNP1 connector on the HBC controller control board for proper connections.
3) 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.
HWE1113B
Symbol
SW1 setting value
63HS1
63LS
PS
- 215 -
GB
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Table of Contents
Troubleshooting
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