Protection; Fan-Only Mode; Cooling Mode - Midea MSG-09CR-QC3 Service Manual

Anti frozen at cooling mode

10.4 Protection

10.4.1 3 minutes delay at restart for compressor.
10.4.2 Sensor protection at open circuit and breaking disconnection
10.4.3 Fan Speed is out of control. When Indoor Fan Speed is too high(higher than High
Fan+300RPM)or too low(lower than 400RPM), the unit stops and LED displays failure information
and can't returns to normal operation automatically.
10.4.4 Cross Zero signal error warning. If there is no Cross Zero signals in 4 minutes, the unit
stops and LED displays failure information and can't returns to normal operation automatically.
10.4.5 The current protection of the compressor
If compressor turns off for continuously 4 times due to current protection in 5 minutes from
Compressor On, the unit stops and LED displays failure information and can't returns to normal
operation automatically.

10.5 Fan-only mode

Fan speed is high/mid/low/ Auto

10.6 Cooling mode

The 4-way valve is closed at cooling mode.
The action of the compressor and the outdoor fan:(T=indoor temperature)
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Service manual