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[ IX Troubleshooting ]
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HWE09120 GB
1. Error Code
Connection information signal transmission/reception error
2. Error definition and error detection method
The given indoor unit is inoperable because it is not properly connected to the outdoor unit in the same system.
3. Error source, cause, check method and remedy
1. Error Code
Remote controller sensor fault
2. Error definition and error detection method
This error occurs when the temperature data is not sent although the remote controller sensor is specified.
3. Error source, cause, check method and remedy
7110
Error source Cause Check method and remedy
Outdoor unit (1) Power to the transmission booster is cut off. 1) Confirm that the power to the transmission
booster is not cut off by the booster being
connected to the switch on the indoor unit.
(The unit will not function properly unless the
transmission booster is turned on.)
(2) Power resetting of the transmission booster
and outdoor unit.
->Reset the power to the outdoor unit.
(3) Wiring failure between OC and OS 2) Confirm that the TB3 on the OC and OS are
properly connected.
(4) Broken wire between OC and OS. 3) Check the model selection switch on the out-
door unit (Dipswitch SW5-7 on the control
board.).
(5) The model selection switch (SW5-7) on the
outdoor unit is set to OFF. (Normally set to
ON)
7111
Error source Cause Check method and remedy
Indoor unit
OA process-
ing unit
The remote controller without the temperature
sensor (the wireless remote controller or the
ME compact remote controller (mounted
type)) is used and the remote controller sen-
sor for the indoor unit is specified. (SW1-1 is
ON.)
Replace the remote controller with the one
with built-in temperature sensor.