ENGLISH
E-
19
Troubleshooting (continued)
Wired remote controller
If an error occurs, is displayed on the wired remote controller.
u
If you would like to see an error code, press the Test button.
Explanation
Display
Compressor down due to protection control of the discharge
temperature sensor
Control due to the condenser temperature sensor when cooling
mode
Error about protection
control of the outdoor
unit
Communication and the
indoor unit errors
Error about the outdoor unit sen-
sor (Open/Short)Detection dur-
ing the operation of the indoor
unit (sensing and sending errors
into the communication data)
Remark
Error of the low pressure switch (Protection control)
Reverse phase error (Protection control)
In removing frost
Error of the outdoor temperature sensor (Open/Short)
Error of condensor temperature sensor (Open/Short)
Error of discharge temperature sensor (Open/Short)
- System down caused by communication error after completion
of tracking
- Mismatching of the indoor unit numbers set with those
communication after completion of 5 times tracking
Self-diagnosis of the
indoor and outdoor unit
Wired remote controller
errors
Master wired remote controller
Slave wired remote controller
COM1/COM2 Cross-installed error
Error of setting option for wired remote controller COM2
Error of electronic expansion valve close in the outdoor unit (when
it is detected more than once)
Error of communication between the indoor unit and the wired
remote controller
Error of temperature sensor in the indoor unit (Open/Short)
Error of the heat exchanger sensor in the indoor unit (Open/Short)
Error of electronic expansion valve open in the outdoor unit (when
it is detected more than once)
