42 English
Troubleshooting
The following cases do not indicate a malfunction.
Cause and action
• If you change the operation mode to Cooling, Heating or Auto when the power is rst turned on,
communication between the MAIN remote controller and the SUB remote controller occurs, so
the SUB remote controller cannot be operated for about 10 seconds. This does not occur at the
2nd and subsequent changes.
• During setback operation, it is not possible to stop operation from the SUB remote controller.
Operation may stop for a short time, but then operation will start again or stop depending on the
setback state.
01_EN_EM19A027_OP.indd 42 2020/09/08 14:29:38
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