Mitsubishi Electric City Multi PFAV-P500VMH-E, Service Handbook

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[
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Troubleshooting ]
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HWE07150 GB
1. Error Code
Function setting error
2. Error source, cause, check method and remedy
1. Error Code
Model setting error
2. Error source, cause, check method and remedy
1. Error Code
Incompatible unit combination
2. Error definition and error detection method
The check code will appear when the indoor units with different refrigerant systems are connected.
3. Error source, cause, check method and remedy
7113
Error source Cause Check method and remedy
Outdoor unit (1) Wiring failure 1) Control board connector
Check the CNTYP2,4,5 connector connection.
INV board connector
Check the CNTYP connector connection(P300 - P450
models only)
(2) Disconnected connector, short cir-
cuit, contact failure
2) Check the compatibility of the circuit board, and replace
it with a correct one if necessary.
(3) Incompatibility between the control
board and INV board (Replacement
of the circuit board with the wrong
one)
3) Check the model selection switch on the outdoor unit
(Dipswitch SW5-7 on the control board.).
7117
Error source Cause Check method and remedy
Outdoor unit (1) Wiring failure 1) Control board connector
Check the CNTYP2,4,5 connector connec-
tion.
INV board connection
Check the CNTYP connector connection
(P300 - P450 models only)
(2) Disconnected connector, short circuit, contact
failure
7130
Error source Cause Check method and remedy
Outdoor unit The connected indoor unit is for use with R22
or R407C. Incorrect type of indoor units are
connected.
The M-NET connection adapter is connected
to the indoor unit system in a system in which
the Slim Model (A control) of units are con-
nected to the M-NET.
Check the connected indoor unit model.
Check whether the connecting adapter for
M-NET is not connected to the indoor unit.
(Connect the connecting adapter for M-NET
to the outdoor unit.)