Mitsubishi Electric HP120TNU-A Service Handbook page 238

[7-9 Error Code Definitions and Solutions: Codes [7000 - 7999] ]
7-9-10 Error Code [7117]
1. Error code definition
Model setting error
2. Error source, cause, check method and remedy
Error source
Outdoor unit (1) Wiring fault
(2) Loose connectors, short-circuit, con-
tact failure
HWE18220_GB
Cause
(Detail code 15)
1)
(Detail code 14)
1)
(Detail code 12)
1)
2)
3)
(Detail code 16)
1)
2)
3)
4)
(Detail codes 56, 66)
1)
2)
(Detail code 0, 1, 5, 6)
1)
2)
3)
(Detail code Miscellaneous)
Check method and remedy
Check the connector CNTYP5 on the control board for
proper connection.
Check the connector CNTYP4 on the control board for
proper connection.
Check the connector CNTYP2 on the control board for
proper connection.
Check the connector CNTYP5 on the control board for
proper connection.
Check the connector CNTYP on the INV board for
proper connection.
Check the connector CNTYP5 on the control board for
proper connection.
Check the connector CNTYP2 on the control board for
proper connection.
Check the wiring between the control board and INV
board.
Refer to the following page(s). [7-2-1 Error Code
[0403]]
Check the connector CNTYP on the INV board for
proper connection.
Check the wiring between the control board and the
Fan INV board.
Refer to the following page(s). [7-2-1 Error Code
[0403]]
Make sure the FAN INV board has been properly re-
placed.
Check the wiring between the control board and INV
board.
Refer to the following page(s). [7-2-1 Error Code
[0403]]
Check the settings of SW5-3 through SW5-6 on the
control board.
Check the connector CNTYP5 on the control board for
proper connection.
*If a set-model-name identification error occurs, check
the detail code on the unit on which the error occurred.
The detail code that appears on other units will be dif-
ferent from the ones shown above.
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